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Definitions

loopy

[loo-pee] / ˈlu pi /
ADJECTIVE
foolish
Synonyms
STRONGEST
absurd crazy insane kooky ludicrous nutty ridiculous silly wacky witless zany
WEAK
asinine brainless cockamamy daffy daft dippy doltish dotty fantastic fatuous feebleminded half-baked half-witted harebrained idiotic ill-advised ill-considered imbecilic imprudent incautious indiscreet injudicious irrational jerky loony lunatic mad moronic nonsensical preposterous senseless short-sighted simple softheaded stupid tomfool unearthly unintelligent unreasonable unwise weak
Antonyms
STRONGEST
balanced logical rational reasonable sane sensible serious wise

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.

And Enver Chakartash’s costumes are a riot of splashy patterns and extravagant colors, with Damis’s beribonned ensemble and lavender, fur-trimmed boots adding a note of loopy sartorial humor.

From The Wall Street Journal • Dec. 17, 2025

He gave some unsolicited comments outside of the formal interview in which he simply said he went "loopy", "lost the plot" and "lost his cool", said Det Ch Insp Brangwin.

From BBC • Jun. 18, 2025

Awestruck, Zoë pets the painting and stares at Matt with loopy eyes, thrilled that someone else is experiencing this with her.

From Salon • May 15, 2025

“Here we have a hero working with his former enemies and there’s a completely loopy, nutty spin, making something for both kids and their parents.”

From Los Angeles Times • Mar. 4, 2025

Citra sat up, feeling only a little bit loopy now, and Scythe Curie put the tray with the large bowl of soup in her lap.

From "Scythe" by Neal Shusterman

Vocabulary lists containing loopy

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