Find Antonyms
loony Antonyms
Opposite of loony
Because the opposite of loony shifts with each meaning, the 8 antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adjective (Context 1)
Crazy, foolish, or wildly eccentric.
Usage Example
"They came up with a sane scheme to cross the desert on unicycles."
Strongest
sane
sensible
rational
Strong
reasonable
level-headed
pragmatic
• noun (Context 2)
A foolish, eccentric, or mentally unstable person.
Usage Example
"Only a complete pragmatist would go swimming in the icy river in the middle of January."
Strong
pragmatist
realist
Similar words to loony
Words similar to loony shift depending on context. Common synonyms include:
crazy
lunatic
daft
zany
maniac
crackpot
nutcase
barmy
Cite this Entry
Wordmom. (2026). Antonyms for Loony. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/loony