Also found in: Thesaurus, Idioms.


arrived at an opinion without sufficient evidence to support it; estimated: He guessed that it would take two hours to get there.; thought: I guessed it would be okay.; believed: I guessed he was telling the truth.
Not to be confused with:
guest – a person who spends time in another’s home as a visitor: house guest, dinner guest; a person who patronizes a hotel, restaurant, etc.; participating or performing as a guest: guest speaker, guest conductor
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree


v. guessed, guess·ing, guess·es
a. To predict (a result or an event) without sufficient information.
b. 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 make an estimate or conjecture: We could only guess at her motives.
2. To estimate or conjecture correctly.
1. An act or instance of guessing.
2. A conjecture arrived at by guessing.

[Middle English gessen, probably of Scandinavian origin; see ghend- in Indo-European roots.]

guess′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
She looked at a silver candelabra that had ten branches, and thought: "This may be the Queen of Ev and her ten children." So she touched it and uttered aloud the word "Ev," as the Nome King had instructed her to do when she guessed. But the candelabra remained as it was before.
I guessed, "Fern," "Feather," "Fife." And here my resources failed me.
The man was greeted with shouts of welcome from his fellows, to whom he imparted all that he knew and guessed of the actions of their master, so that the entire safari was aware of matters before Baynes, who marched close to the head of the column, was reached and acquainted with the facts and the imaginings of the black boy whom Malbihn had deserted in the clearing the night before.
Morison creep could he have guessed that they were revolving in the brain of a savage creature creeping stealthily among the branches of the forest giant beneath which he waited the coming of "Hanson" and the girl.
He would have deserted this terrifying master had he had the opportunity; but Baynes guessed that some such thought might be in the other's mind, and so gave the fellow none.
A wreath of what looked at first like purple brooms appeared below the vase, but Rose guessed what they were meant for, and stood straight up, holding by his shoulder, and crying excitedly
-- for if I thought I had guessed, I should stop at an idea, and, in spite of myself, should pursue that idea.
Alexander Balutan, Philippine Charity Sweepstakes Office general manager, said that the bettor guessed the six-digit winning combination 28-11-6-17-10-25, which had a total jackpot of P26,881,510.
Fleuriel Jean-Francois, a 45 year old French national, who guessed 4,365 balls, never thought that his first visit to watch the Dubai Duty Free Tennis Championships would result in him winning a brand new car.
She stipulated that if the billionaire guessed right for three-out-of-five items, within a range of a dollar for each guess, the audience will get something in return.
Sharon, 52, guessed PS80: "The jeans look like French Connection and they're made of good quality material."