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Synonyms

diffident

American  
[dif-i-duhnt] / ˈdɪf ɪ dənt /

adjective

  1. lacking confidence in one's own ability, worth, or fitness; timid; shy.

    Synonyms:
    unassuming, modest, abashed, self-conscious
  2. restrained or reserved in manner, conduct, etc.

  3. Archaic. distrustful.


diffident British  
/ ˈdɪfɪdənt /

adjective

  1. lacking self-confidence; timid; shy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See shy 1.

Other Word Forms

  • diffidence noun
  • diffidently adverb
  • diffidentness noun
  • nondiffident adjective
  • undiffident adjective

Etymology

Origin of diffident

First recorded in 1425–75; late Middle English, from Latin diffīdent- (stem of diffīdēns “mistrusting, despairing,” present participle of diffīdere ), equivalent to dif- dif- + fīd- “trust” + -ent- -ent

Explanation

The adjective diffident describes someone who is shy and lacking in self-confidence. If you are shy and have a diffident manner, you should probably not choose one of these professions: substitute teacher, stand-up comic, or lion-tamer. Diffident can describe someone who is reserved and restrained. Some may mistake your diffident manner for coolness or aloofness. Although it may be in your nature to be diffident, you will find it impossible to remain so when you visit my family. They are a big, noisy, outgoing bunch and they will make you join in the fun until you let loose and open up. Don't say you weren't warned!

Keep Reading on Vocabulary.com

Vocabulary lists containing diffident

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In “One of Us,” Elizabeth Day’s shrewd novel of political ambition and personal retribution, the unlikely avenger is a diffident British art historian.

From The Wall Street Journal • Feb. 13, 2026

But the overarching tone, across the board, is oddly diffident.

From Slate • Apr. 25, 2025

They may share an extreme level of competitiveness but they are very different characters, Newey's diffident nature contrasting with Horner's front-foot aggression.

From BBC • Feb. 8, 2024

Until now, Scott has been a largely diffident presence in the movies, having distinguished himself most prominently as a masterly TV foil: the Moriarty to Benedict Cumberbatch’s “Sherlock,” the “hot priest” to Phoebe Waller-Bridge’s “Fleabag.”

From Los Angeles Times • Dec. 20, 2023

Pigeons could be made to look like roosters and peacocks, and dogs made short-haired, long-haired, pied, piebald, bowlegged, hairless, crop-tailed, vicious, mild-mannered, diffident, guarded, belligerent.

From "The Gene" by Siddhartha Mukherjee