Meaning & use

false

adjective·Everyday

Last updated

UK/fɔːls/
US/fɔːls/

Meanings

  1. adjectivenot comparable

    Contrary to the facts; not correct or not true.

    Grammar: Usually before a noun or after be: a false statement, the answer is false.

    Patterns

    • be false
    • a false claim about something

    The rumor that the school would close turned out to be false.

    She gave a false name to the receptionist.

    True or false: the sun is a star?

  2. adjectivebefore a noun

    Made to look real or natural in order to imitate or deceive; artificial.

    Grammar: Sits before the noun it describes: false teeth, a false beard.

    Patterns

    • false something

    He wore a false mustache to the costume party.

    The thief hid the jewels in a false bottom inside the suitcase.

    My grandfather takes out his false teeth at night.

  3. adjectivecomparable

    Not sincere or loyal; showing feelings or promises that are not real.

    Grammar: Can be used before a noun or after be: a false friend, he proved false.

    Patterns

    • be false to someone
    • false promises

    She saw through his false kindness at once.

    The company made false promises about job security.

    He felt betrayed by a false friend.

  4. adjectivebefore a noun

    Mistaken or caused by a wrong belief, so that a feeling or result is not justified.

    Grammar: Used before a noun to say the thing is wrong, not deliberately faked: a false alarm.

    Patterns

    • a false sense of something

    The smoke was just burnt toast, so it was a false alarm.

    A single good grade gave him a false sense of security.

    The test returned a false positive.

Word forms

comparativefalser
superlativefalsest

Common combinations

false alarm
The fire brigade arrived quickly, but it was only a false alarm.
false impression
The photo gives a false impression of how big the room is.
false start
After two false starts, the race finally began.
false pretenses
She was hired under false pretenses and soon lost the job.
prove false
His claim was proved false by the records.
false hope
I do not want to give you false hope about the results.

Synonyms and how they differ

untrue
Untrue is a plain word for a statement that does not match the facts, while false also covers fake objects and insincere people.
fake
Fake stresses that something was made to pass as the real thing, and it is far more informal than false when describing objects.
wrong
Wrong simply says an answer or idea is not correct, with no suggestion that anyone meant to mislead.
insincere
Insincere describes only people and their words or feelings, whereas false is also used for facts and objects.

Opposites

Word family

falsely adverb
in a wrong or untruthful way
falseness noun
the quality of being untrue or insincere
falsehood noun
a lie, or the state of being untrue
falsify verb
to change records or facts in order to deceive
falsity noun
the fact of being untrue

Commonly confused: false or fault?

false vs fault

Fault is a mistake or flaw, or the responsibility for one, and it is not an adjective. Say a false statement, not a fault statement.

Practice

The detector went off, but it was a ____ alarm caused by steam from the shower.

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