ENGLISH
REFERENCE

put one's foot in one's mouth

idiom
Meaning

To misspeak; to say something embarrassing or wrong, or to make a mistake in public, or a social blunder, that is embarrassing or offensive.


Origin

first recorded 19th c.

Attested from 1887; from earlier put one's foot in it.

Examples
SIMPLE

I put my foot in my mouth when I asked about her ex-husband.

CONTEXTUAL

He put his foot in his mouth by telling the joke before he knew her mother had died.

COMPLEX

The ambassador, eager to make small talk, put his foot in his mouth by praising the local cuisine while unknowingly insulting the chef standing beside him.

Anchors to
Related idioms8entries
  1. 01

    abound in one's own sense

    To follow one’s own inclinations and opinions.

  2. 02

    ace up one's sleeve

    A surprise advantage of which others are not aware.

  3. 03

    act one's age

    To behave in a manner appropriate to one's age.

  4. 04

    act one's age, not one's shoe size

    Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).

  5. 05

    afraid of one's own shadow

    Exceptionally timid.

  6. 06

    air one's dirty laundry in public

    To reveal one's sordid secrets to the public.

  7. 07

    air one's dirty linen in public

    Synonym of air one's dirty laundry in public.

  8. 08

    albatross around one's neck

    A characteristic, possession, associate, or previous deed that hinders one's ability to succeed.

Last updated July 12, 2026