loony
4 synonyms and 0 antonyms for loony, grouped by meaning and by how common each one is.
Adj — Crazy or mentally unstable.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
A shortened, informal version of "lunatic."
Full origin of loony →Frequently asked questions
What does “loony” mean?
The word “loony” means crazy or mentally unstable. In plain terms, crazy, silly, or someone acting that way — used casually, often affectionately.
How do you pronounce “loony”?
“Loony” is pronounced LOO-nee (/ˈluːni/ in IPA).
How do you use “loony” in a sentence?
Here is “loony” used in a sentence: “That's a completely loony idea.”
What part of speech is “loony”?
Depending on how it is used, “loony” can be an adjective and a noun.
How many meanings does “loony” have?
“Loony” has 3 distinct senses listed in this dictionary. The most common is: crazy or mentally unstable.