diffident

adjective  C2
Plain meaning

shy and not confident about expressing yourself

Exam-register meaning

marked by hesitation, reserve, or lack of self-assurance

In context
naturalShe was diffident at first, but her ideas were excellent.
examThe author presents the protagonist as diffident, despite his considerable intellectual ability.
Common collocations
diffident mannerdiffident smilediffident response
Watch out
Do not confuse diffident with different. Diffident means shy or lacking confidence.
Word family
diffidence (noun)diffidently (adverb)
Quick check — can you use it?

His  ______  manner made interviewers underestimate his competence.

Practice all 660 words free →

More C2 words to master
poacher abhor lurch profitably bunged up