Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “guess”

See all translations

guess

verb [I or T] uk   /ɡes/ us  
A2 to give an answer to a particular question when you do not have all the facts and so cannot be certain if you are correct: I didn't know the answer, so I had to guess. On the last question, she guessed right/wrong. [+ question word] Guess when this was built. [+ (that)] I guessed (that) she was your sister. She asked me to guess her age. I guessed the total amount to be about £50,000.A2 to give the correct answer or make the correct judgment: [+ question word] I bet you can't guess how old he is. She guessed the answer first time. "You've got a new job, haven't you?" "Yes, how did you guess?"guess what? A2 informal used before telling someone something interesting or surprising: Guess what? We won the match 4–0.I guess B1 informal used when you believe something is true or likely but are not certain: [+ (that)] I guess (that) things are pretty hard for you now.
More examples
Phrasal verbs

guess

noun [C] uk   /ɡes/ us  
B1 an attempt to give the right answer when you are not certain if you are correct: Go on - have/make ( US take) a guess. Both teams made some wild guesses (= made without much thought), none of which were right. "What's the time?" "It's about five o'clock, at a guess (= without knowing exactly)." someone's opinion about something that is formed without any knowledge of the situation: "I wonder why she's not here." "My guess is that her car has broken down."be anyone's guess If a piece of information is anyone's guess, no one knows it: "So what's going to happen now?" "That's anyone's guess."
More examples
(Definition of guess from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of guess?
Add Cambridge dictionaries to your browser to your website

Definitions of “guess” in other dictionaries

Word of the Day

hyphen

the symbol -, used to join two words together, or to show that a word has been divided into two parts at the end of one line and the beginning of the next

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More