“vary” vs. “very”
Use "vary" for the verb meaning to change or differ; use "very" as the adverb intensifying an adjective/adverb, or the adjective meaning "exact/precise."
vary
"Vary" is a verb meaning to change or differ, either over time or among a group ("prices vary by location," "the recipe varies slightly each time"). It comes from Latin "variare," related to "varius" (diverse, changing), the same root that gives English "various" and "variety" — all connected to the idea of difference or diversity.
very
"Very" is an adverb used to intensify an adjective or another adverb ("very tall," "very quickly"), or, as an adjective itself, to mean "exact" or "precise" ("the very spot," "this very moment"). It comes from Old French "verai" (true), ultimately from Latin "verus" (true) — the same root that gives English "verify" and "veracity" — showing that "very" originally meant "truly" before softening into its modern, more general intensifying sense.
The real distinction
"Vary" is a verb meaning to change or differ, while "very" is an intensifying adverb (or, less commonly, an adjective meaning "exact"), and though the words look and sound somewhat alike, especially in fast speech or informal writing, they serve completely different grammatical functions. A reliable check: if the word needs a subject performing an action of changing or differing, it's "vary" ("results vary widely"); if the word is modifying an adjective or adverb to intensify it, it's "very" ("very interesting," "very carefully"). Because "vary" always functions as a verb requiring conjugation (varies, varied, varying), while "very" never changes form regardless of tense or context, this grammatical rigidity is a useful test whenever a sentence seems ambiguous. The etymological journey from Latin "verus" (true) to modern "very" (simply "intensely") is a classic example of semantic bleaching, where a word's meaning weakens over time through overuse as an intensifier — a pattern also seen in words like "literally" losing precision through casual overuse. It's also worth noting that "vary" often appears alongside prepositions like "by," "with," or "from," as in "results vary by region," while "very" almost always appears directly before the word it intensifies, with no preposition separating them at all — a small structural clue that can help settle the spelling in ambiguous cases.
Examples with “vary”
- Opinions on the policy vary widely across the country.
- The recipe's cooking time can vary depending on the oven.
- Prices vary significantly between the two stores.
- Her mood seemed to vary from hour to hour.
- Results vary based on individual effort and circumstances.
- The design varies slightly between each production run.
- Temperatures vary dramatically between day and night in the desert.
- His approach to teaching varies with each new class.
- The quality of service can vary from one branch to another.
- Interest rates vary depending on the length of the loan.
- Shipping costs vary depending on the destination country.
- Customer preferences vary considerably across different age groups.
Examples with “very”
- The movie was very entertaining from start to finish.
- She spoke very quietly during the entire meeting.
- This is the very spot where the treaty was signed.
- He was very grateful for their unexpected help.
- It happened at that very moment, without any warning.
- The soup tasted very spicy compared to the usual recipe.
- She finished the marathon in very good time.
- The instructions were very clear and easy to follow.
- He arrived at the very last second before the doors closed.
- The weather turned very cold overnight.
- The performance was very moving, especially the final scene.
- The lecture was very informative, especially the closing remarks.
Memory trick
Think of "vary" alongside "various" and "variety," all about difference and change. "Very" traces back to "true," so remember its older meaning was closer to "truly" — imagine emphasizing something as "truly" tall or "truly" cold, which is exactly what "very" still does today. As one last test, try removing the word entirely — if the sentence still basically makes sense without it, you likely have "very," since intensifiers are often optional, whereas "vary" is almost always essential to the sentence's core meaning.