Guess Definition

gĕs

guesses

verb

guesses

To predict (a result or an event) without sufficient information.

American Heritage

To assume, presume, or assert (a fact) without sufficient information.

American Heritage

To form a judgment or estimate of (something) without actual knowledge or enough facts for certainty; conjecture; surmise.

Webster's New World

To think or suppose.

I guess I can do it.

Webster's New World

To judge correctly by doing this.

Webster's New World

Synonyms:

Antonyms:

noun

The act of guessing.

Webster's New World

A judgment or estimate formed by guessing; conjecture; surmise.

Webster's New World

A prediction about the outcome of something, typically made without factual evidence or support.

If you don't know the answer, take a guess.

Wiktionary

Synonyms:

Antonyms:

Other Word Forms of Guess

Singular:

guess

Plural:

From Middle English gessen, probably of Scandinavian origin, from Old Danish getse, gitse, getsa (“to guess”), from Old Norse *getsa, *gitsa, from Proto-Germanic *gitisōną (“to guess”), from Proto-Germanic *getaną (“to get”), from Proto-Indo-European *gʰed- (“to take, seize”). Cognate with Danish gisse (“to guess”), Swedish gissa (“to guess”), Dutch gissen (“to guess”), Low German gissen (“to guess”). Related also to Icelandic giska ("to guess"; from Proto-Germanic *gitiskōną). Compare also Russian гадать (gadatʹ, “to conjecture, guess, divine”), Albanian gjëzë (“riddle”) from gjej (“find, recover, obtain”). More at get.

From Wiktionary
Middle English gessen probably of Scandinavian origin ghend- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition
From Middle English gesse. Cognate with Dutch gis (“a guess”).

From Wiktionary