Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “false”

See all translations

false

adjective uk   /fɒls/ us    /fɑːls/

false adjective (NOT REAL)

B2 not real, but made to look or seem real: false eyelashes/teeth UK Modern office buildings have false floors, under which computer and phone wires can be laid.
More examples

false adjective (NOT TRUE)

B1 disapproving not true, but made to seem true in order to deceive people: She was charged with giving false evidence in court. When she was stopped by the police for speeding, she gave them a false name and address. He assumed a false identity (= pretended he was someone else) in order to escape from the police.under false pretences disapproving If you do something under false pretences, you lie about who you are, what you are doing, or what you intend to do, in order to get something: He was deported for entering the country under false pretences. If you're not going to offer me a job, then you've brought me here under false pretences (= you have deceived me in order to make me come here).
More examples

false adjective (NOT CORRECT)

B1 not correct: "Three plus three is seven. True or false?" "False." The news report about the explosion turned out to be false. You'll get a false impression/idea of the town if you only visit the university.
More examples

false adjective (NOT SINCERE)

C1 disapproving not sincere or expressing real emotions: a false smile/laugh I didn't like her - she seemed false.
Synonym

false adjective (NOT LOYAL)

literary disapproving A false friend is not loyal or cannot be trusted.
(Definition of false from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of false?
Add Cambridge dictionaries to your browser to your website

Definitions of “false” in other dictionaries

Word of the Day

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

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