wacky
UK: ˈwæki | US: ˈwæki
adj. eccentric or mildly irrational in a humorous way
adj. absurdly unconventional or offbeat
The word "wacky" likely derives from the earlier term "whack" (meaning to strike or hit), suggesting something "struck" or "out of order" in a playful sense. The suffix "-y" transforms it into an adjective, emphasizing a quirky or unpredictable quality. First recorded in the late 19th century, it evolved to describe eccentric behavior with a lighthearted tone, possibly influenced by slang usage in circus or theatrical contexts.
His wacky sense of humor always lightens the mood.
The movie’s plot was too wacky for some viewers.
She wore a wacky hat covered in feathers to the party.
The comedian’s wacky antics had the audience laughing nonstop.
Their wacky invention turned out to be surprisingly useful.