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to call someone's bluff

to call someone's bluff

2 6.3
Challenge someone to prove they are serious when you think they are not
  • idiom
  • Informal
translation icon : desafiar a alguien
  • If you think he is lying, you should call his bluff and ask for proof of his claims.
  • decided to call someone's bluff
  • tried to call someone's bluff
  • call someone's bluff here

Examples

Synonyms

to call into question
vsto call someone's bluff
33 4.5

To say that something may not be true or right

demands proof by challenging a person's claim because dishonesty is suspected
to call out
vsto call someone's bluff
  • Archaic
9.9

Challenge someone to a duel because of an insult

challenges verbally to prove a claim rather than to fight physically

Antonyms

1.0

Accept that something is true or trust a person

699 1.0

Strong belief that a person or thing is honest and reliable

How Direct

or it didn't happen
  • Informal
9.3
to call someone's bluff
  • Informal
2 6.3
exposé
  • Literature
26 7.3

Surface Forms

called someone's bluff past participle
calling someone's bluff present participle
calls someone's bluff third person singular

Morphology

call + someone's + bluff

The noun 'bluff' (a false show or deception) together with 'call' (to name or confront) makes the overall meaning — to challenge or expose a supposed deception — reasonably inferable from the parts. However, 'call' here has an extended, somewhat idiomatic sense of 'challenge/demand proof' that requires pragmatic inference beyond the prototypical meanings, so the expression is only partially predictable to a B1 learner.

Etymology

Call someone's bluff comes from the card game poker. In poker a bluff is pretending to have strong cards and to call someone means matching their bet so they must show their cards. So call someone's bluff means 'challenge someone to prove they are not lying'.