adjective
Uncommon
wacky
WAK-ee
Wacky (adjective) means Amusingly odd, silly, or eccentric. Example: “The kids came up with a wacky plan to build a treehouse fort.”
adjective
1
Amusingly odd, silly, or eccentric.
"The kids came up with a wacky plan to build a treehouse fort."
"She has a wacky sense of humour that always makes meetings more fun."
How to use wacky
Learner’s notesIn plain EnglishFun, silly, or a little crazy in a harmless way.
Common pairings
wacky idea
wacky humour
wacky races
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Word forms
- Comparative
- wackier
- Superlative
- wackiest
Fill the gap
Can you complete this real example?
The kids came up with a _____ plan to build a treehouse fort.
Etymology
From "whack" — originally describing someone who'd taken one too many knocks to the head, hence "odd" — plus the adjective-forming suffix "-y".
Related words
Rhymes for wacky
See all rhymes for wacky →Frequently asked questions
What does “wacky” mean?
The word “wacky” means amusingly odd, silly, or eccentric. In plain terms, fun, silly, or a little crazy in a harmless way.
How do you pronounce “wacky”?
“Wacky” is pronounced WAK-ee (/ˈwæk.iː/ in IPA).
How do you use “wacky” in a sentence?
Here is “wacky” used in a sentence: “The kids came up with a wacky plan to build a treehouse fort.”
What part of speech is “wacky”?
“Wacky” is an adjective.
Is “wacky” a common word?
“Wacky” is an uncommon word in modern English.
