fatuous
adjective | /fatuous/
Advanced WordsMEDIUM
foolish or inane, especially in an unconscious, complacent manner
fatuous
adjective | /fatuous/
Advanced WordsMEDIUMfoolish or inane, especially in an unconscious, complacent manner
Learning Progress
Synonyms
sillyinanevacuousasininefoolish
Antonyms
sensibleintelligentastuteshrewd
Examples
"His fatuous remark undermined the seriousness of the meeting."
"It's fatuous to assume success without planning."
Mnemonic Trick
FATUOUS → FAT + U + US: picture someone silly and self-satisfied (complacent).
Etymology
From Latin fatuus “foolish, silly.”
Carries sense of complacent stupidity.
Source: Advanced WordsAdded: 9/15/2025
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