What does "gullibility" mean?

The quality of readily believing information, truthful or otherwise, usually to an absurd extent.

What is a synonym for "gullibility"?

Common synonyms include: credulity, credulity, credulousness, credulousness, greenness, naivete.

Pronounced //ɡʌlɪˈbɪlɪti//.

//ɡʌlɪˈbɪlɪti// noun

noun ·Rare ·Advanced level

Noun

1
The quality of readily believing information, truthful or otherwise, usually to an absurd extent. countable, uncountable
"What distinguishes the core of the rightwing populist electorate is its gullibility to idiocy-promoting rhetoric against climate science."
2
tendency to believe too readily and therefore to be easily deceived wordnet

"Sami is not very good at hiding his gullibility."

From gullible + -ity.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.