yes
Americanadverb
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(used to express affirmation or assent or to mark the addition of something emphasizing and amplifying a previous statement).
Do you want that? Yes, I do.
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(used to express an emphatic contradiction of a previously negative statement or command).
Don't do that! Oh, yes I will!
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(used, usually interrogatively, to express hesitation, uncertainty, curiosity, etc.).
“Yes?” he said as he opened the door. That was a marvelous show! Yes?
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(used to express polite or minimal interest or attention.)
noun
plural
yesesverb (used with object)
interjection
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used to express acknowledgment, affirmation, consent, agreement, or approval or to answer when one is addressed
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used, often with interrogative intonation, to signal someone to speak or keep speaking, enter a room, or do something
noun
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an answer or vote of yes
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(often plural) a person who votes in the affirmative
Usage
Plural word for yes The plural form of yes is either yeses or yesses, but yeses is more widely used. The plurals of several other singular words that end in -s are also formed the same way, such as bus/buses/busses, gas/gases/gasses, and lotus/lotuses/lotusses. In some instances, particularly informally, the plural form of yes is written with an apostrophe, as in yes's. This is not considered standard, but it may be easier to understand in some contexts because many people are unfamiliar with the plural form of yes. The word yes is only pluralized when it is used as a noun rather than in its more common use as an adverb. The word yes as a noun means "an answer or vote of yes" or "a person who votes in the affirmative," as in The noes outnumbered the yeses.
Etymology
Origin of yes
First recorded before 900; Middle English yes, yis, Old English gēse (adverb and noun), probably equivalent to gēa yea + sī “be it” (present subjunctive singular of bēon “to be”; see be)
Explanation
Yes is a confirmation or an affirmative — a positive reply. When you say yes to a friend's invitation to a party, it means you'll be there. There's no more positive word in the English language: You use yes to agree, to confirm, or to answer positively. It works best of all to express uninhibited enthusiasm like when you get great news and yell it, maybe even closing your eyes in joy while you say it. Yes comes from the Old English gise, or so be it.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Well, yes, I do believe we have innate aggressive tendency,” she said.
From Salon • Apr. 23, 2026
“It seems like the board is basically saying, yes, we’re going to give deference to the administration whenever they want to kick somebody out,” López said.
From Slate • Apr. 23, 2026
If the answer is yes, he is doing his job.
From MarketWatch • Apr. 21, 2026
As a parent of two daughters, of course, yes.
From The Wall Street Journal • Apr. 20, 2026
So, yes, sure, we sold some honey and vegetables and sweaters, but that didn’t cover the cost of things.
From "The Wrong Way Home" by Kate O’Shaughnessy
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.