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Definition/Meaning

(adjective)

silly or crazy in a foolish way;

e.g. She's daffy after having a bit of alcohol.

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Opposite Words

A posteriori

Alert

Analytic

Balanced

Businesslike

Clear

Cognitive

Coherent

Consequent

Earnest

Earnestly

Exceptional

Good

Grave

Healthy

Humorless

Hyperintelligent

Lucid

Nimble

No-nonsense

Normal

Perspicacious

Po-faced

Professional

Right

Sane

Sedate

Serious

Severe

Sober

Sobersided

Solemn

Stable

Unsmiling

Valid

Validity

Weighty

Well-adjusted

Well-advised

Well-founded

Well-grounded

Witted

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Related Words

Absurd

Bonehead

Brain-dead

Brainless

Clueless

Cockamamie

Comical

Dense

Derisory

Dim

Dim-witted

Ditzy

Dizzy

Dopey

Dorky

Dull

Dumb

Empty

Empty-headed

Farcical

Fatuous

Fey

Flighty

Frivolous

Frothy

Futile

Giddy

Goofy

Gormless

Harebrained

Inane

Lamebrain

Laughable

Light-headed

Loopy

Ludicrous

Meaningless

Mindless

Obtuse

Off

Opaque

Pathetic

Pinheaded

Pointless

Preposterous

Puerile

Ridiculous

Risible

Senseless

Silly

Simple

Slow

Slow-witted

Soft

Softheaded

Stupid

Thick

Thick-witted

Thickheaded

Unintelligent

Unsmart

Vacuous

Weak-minded

Witless

Witted

Yeasty

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