Mariam could explain complex ideas. She understood the concepts in her psychology class. She could write coherent essays that made sense.
But her professor kept giving her B’s and C’s with comments like “needs more sophisticated vocabulary” and “language too simplistic for college-level work.”
I ran into her in the hallway looking frustrated. “I understand everything,” she told me. “I can explain the theories. But my professor says I write like a 10th grader, not a college student.”
Here’s what was happening: Mariam knew how to say something was “old-fashioned.” She just didn’t know the word “anachronistic.” She could describe someone as “hard-working” but didn’t have “assiduous” in her vocabulary. She’d write “short-lived” when “ephemeral” or “transient” would have been a far better choice.
Her English wasn’t weak, nor were her ideas. But her vocabulary made her sound less educated than she actually was.
And in college? That perception matters.
The Words That Make You Sound Educated
Your intermediate and advanced ESL students can function in English. They can have conversations, write emails, handle daily tasks, even discuss complex topics.
But when they read college-level texts or try to write academic essays, they hit a wall. Not because they can’t understand the concepts. Because they’re missing the sophisticated vocabulary that educated native speakers use.
We’re talking about Tier 2 vocabulary, words that appear frequently in written texts and formal contexts but rarely show up in everyday conversation. Words like:
- adversity (not just “hard times”)
- ephemeral (not just “temporary” or “short-lived”)
- resilient (not just “strong” or “doesn’t give up”)
- scrutinize (not just “look at carefully”)
- tenacious (not just “determined”)
These aren’t technical terms that only show up in specific subjects. They’re sophisticated vocabulary that educated adults use across contexts in literature, history, psychology, sociology, opinion pieces, and in formal speeches.
Students who don’t know these words can read them in texts and sort of figure out the meaning from context. Maybe. Eventually. But they can’t USE them in their own writing and speaking. And that makes them sound less sophisticated than they are.
That’s a problem when professors are grading not just on ideas but on how those ideas are expressed.
Why This Vocabulary Gap Matters More Than You Think
Students without sophisticated vocabulary face multiple challenges in college:
They can’t express nuanced ideas. There’s a difference between calling someone “nice” and calling them “benevolent.” Or describing a situation as “unfair” versus describing it as having “extenuating circumstances.” Think about the difference in calling someone “fake” versus “pretentious.” Sophisticated vocabulary allows for precision and nuance that basic vocabulary can’t capture.
They struggle with college-level reading. When students encounter words like anachronistic, fortuitous, spurious, or vindicate in their textbooks and assigned readings, they have to stop and look them up. Every few sentences. This slows down comprehension and makes reading exhausting. Native speakers who know these words can read fluently. Your students are working twice as hard.
They sound less intelligent than they are. Right or wrong, professors judge writing quality partly on vocabulary sophistication. An essay that repeatedly uses basic vocabulary like “old,” “lucky,” “fake,” and “prove” sounds less mature than an essay using “anachronistic,” “fortuitous,” “spurious,” and “vindicate.” Same(ish) ideas. Different impression. Tier 2 vocabulary is more precise.
They can’t participate fully in academic discussions. When other students or professors use sophisticated vocabulary in class discussions, your students are translating in their heads, trying to keep up. They can’t respond as quickly or express themselves as precisely because they’re stuck using their limited vocabulary.
This isn’t about students being unable to communicate. They can communicate fine in everyday contexts. But college demands more sophisticated language, and if nobody explicitly teaches them this vocabulary, they’re at a permanent disadvantage.
“Can’t They Just Pick It Up?”
You might think students will absorb sophisticated vocabulary through exposure because they’re reading textbooks, listening to lectures, and hearing other students speak.
Some will. The ones who read extensively and have strong vocabulary learning strategies might pick up some of these words over time.
But most students? They’ll struggle for years without making much progress. They’ll keep using the basic vocabulary they already know because it’s comfortable and familiar. They’ll understand sophisticated words when they see them in context but won’t incorporate them into their own language use.
And here’s the frustrating part: these students are often your strongest learners. They have solid grammar, good comprehension skills, and strong motivation, but nobody taught them the sophisticated vocabulary that educated native speakers learned gradually throughout their schooling.
Native English speakers encounter these words repeatedly from middle school through high school in assigned readings, teacher explanations, and formal writing instruction. They’ve seen “benevolent” and “resilient” and “scrutinize” hundreds of times before they graduate high school.
Your ESL students? They’re encountering these words for the first time in college and expected to somehow just figure it out while also learning chemistry and writing research papers.
Not a fair fight.
What Makes This Tier 2 Vocabulary Different
Sophisticated Tier 2 vocabulary sits in an interesting space.
These aren’t basic everyday words that beginning students need (Tier 1 words like “happy,” “run,” “table”). Students already know how to express these basic concepts.
And these aren’t highly technical, subject-specific terms (Tier 3 words like “photosynthesis,” “theorem,” “metaphor”). Those words get defined when they’re introduced in specific courses.
Tier 2 words are the sophisticated vocabulary that mature, educated language users employ across contexts. They add precision, nuance, and sophistication to expression. They appear in formal writing, literature, academic discussions, opinion pieces, anywhere educated adults communicate about complex topics.
Words like:
- anachronistic, evanescent, ephemeral (describing time and relevance)
- adversity, resilient, tenacious (describing challenges and responses)
- benevolent, compassion, empathy (describing positive qualities)
- pretentious, ostentatious, haughty (describing negative qualities)
- diligent, assiduous, meticulous (describing careful work)
- mundane, prosaic, hackneyed (describing the ordinary or clichéd)
- scrutinize, discredit, vindicate (describing analysis and judgment)
These words allow for precise, sophisticated expression. They’re what separates basic communication from educated discourse.
And your college-bound adult ESL students need them.
Teaching Sophisticated Vocabulary: More Than Definitions
So you know your students need sophisticated vocabulary. Now what?
You can’t just hand them a word list with definitions. That doesn’t work. Students memorize for a quiz, forget everything by next week, and never incorporate the words into their actual language use.
But you also can’t expect students to magically absorb these words through exposure. That’s too slow, too random, and too ineffective.
Students need systematic instruction that goes beyond definitions for 8 reasons.
They need to understand what they already know. Before teaching new vocabulary, assess prior knowledge. Some words on your list might be familiar. Don’t waste time. Focus on the gaps.
They need to grasp connotations, not just definitions. Dictionaries give denotations—basic meanings. But sophisticated vocabulary is all about connotations and nuance. “Frugal” and “cheap” both relate to spending money carefully, but they carry completely different implications. “Haughty” and “confident” both relate to self-assurance, but one is negative and one is neutral or positive. Students need to understand these subtle differences.
They need correct pronunciation. Students must be able to SAY these words, not just recognize them in writing. The International Phonetic Alphabet (IPA) becomes useful here. Don’t try to teach all the symbols at once. Introduce symbols as needed for specific words being studied.
They need spelling practice. Sophisticated vocabulary often has tricky spelling. Students who know correct spelling recognize words faster when reading and feel more confident using them in writing.
They need to understand word forms. “Resilient” is an adjective. “Resilience” is a noun. “Resiliently” is an adverb. When students learn one form, they should learn related forms. This multiplies their vocabulary without multiplying the number of root words they need to learn.
They need to see words in context. Example sentences show how sophisticated vocabulary functions in actual use. Students learn appropriate contexts, common collocations, typical usage patterns.
They need to connect words to synonyms and antonyms. Learning that “frugal” relates to “thrifty” and “economical” but contrasts with “extravagant” and “wasteful” creates networks of meaning. Students build vocabulary systems, not isolated word memorization.
They need to use words authentically. The ultimate goal is incorporating sophisticated vocabulary into students’ own speaking and writing. Practice activities help, but students also need opportunities to use new words in authentic contexts that matter to them.
All of this takes more than a vocabulary list and definitions.
What I Created to Address This Gap
I needed systematic resources for teaching sophisticated vocabulary to college-bound adult ESL students but didn’t have any. That’s why I created what I wish I’d had, vocabulary packs based on Grade 12 Tier 2 vocabulary standards.
Why Grade 12? Because these are the sophisticated words that educated native speakers know by the time they graduate high school, words that college professors assume students already have in their vocabulary.
Each resource covers 10 words with 8 different types of practice:
Building Background: Students identify what they already know about the words before instruction begins. This activates prior knowledge and shows you which words need attention.
Connotation Practice: Students begin to explore subtle differences in meaning. They mark where a word ranks on a scale from very negative to very positive.
IPA (Pronunciation): Students learn correct pronunciation using IPA symbols. They learn symbols as they encounter them with specific words, not all at once.
Spelling Practice: Students identify the correctly spelled word and write it several times.
Word Forms: Students learn and practice different parts of speech—noun, verb, adjective, adverb forms when applicable. A card sorting activity and worksheet version are included.
Context Sentences: Students see words used in sentences and practice filling gaps using context clues and grammar knowledge.
Synonyms and Antonyms: Students connect new words to related words, building vocabulary networks rather than isolated definitions. Two formats are included, a card sorting activity and worksheet versions.
Discussion Questions: Students use new vocabulary in authentic contexts, answering questions and discussing topics that require the target words. Each question uses the word; students are expected to also use the word (or a form of the word) in their responses.
Each type of practice addresses a different aspect of truly knowing a word—understanding its nuances, pronouncing it correctly, spelling it accurately, and using it appropriately in speaking and writing.
There are 10 different sets (100 words total) in my TpT store. You can buy them individually or grab the bundle for all 10 sets.
The words are exactly what your college-bound students need. Sophisticated vocabulary that educated adults use across contexts. The words that separate basic expression from mature, precise, sophisticated language.
The Bottom Line
Whether you use ready-made resources (like my Grade 12 Tier 2 vocabulary packets) or create your own, the key is teaching sophisticated vocabulary thoroughly and systematically—not just handing students word lists and hoping they figure it out.
Your students can succeed in college-level coursework. They just need the vocabulary to sound as educated as they actually are.
That’s it from me. See you in the next post!
Read more about adult ESL vocabulary!
How to Teach Academic Vocabulary: A Helpful Guide for New Adult ESL Teachers
Stop Selling Academic Vocabulary. Start Selling This Instead.
Why Vocabulary Bingo Is Your Secret Weapon for Exhausted Adult ESL Students
