Phrasal verb guess at something (Definition of guessing from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

The meaning of GUESS is to form an opinion of from little or no evidence. How to use guess in a sentence.

Guessing is the act of drawing a swift conclusion, called a guess, from data directly at hand, which is then held as probable or tentative, while the person making the guess (the guesser) …

Guess is also commonly used as a noun to refer to the answer arrived at by a person who is guessing. A guess usually relies on luck or hope because a person doesn’t have enough …

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To guess is to risk an opinion regarding something one does not know about, or, wholly or partly by chance, to arrive at the correct answer to a question: to guess the outcome of a game. …

To assume, presume, or assert (a fact) without sufficient information. 2. To form a correct estimate or conjecture of: guessed the answer. 3. To suppose; think: I guess he was wrong. 1. …

To guess is to risk an opinion regarding something one does not know about, or, wholly or partly by chance, to arrive at the correct answer to a question: to guess the outcome of a game. …

The act of making a guess; estimate or prediction; foresight. Present participle of guess. No trouble guessing where you stand with Miss Mulligan. Let's see how I did guessing your choices.

I sat through rehearsal after rehearsal trying to think ahead of her and guessing what the next instruction would be.