Definition of wacky in English:

wacky

(also whacky)

adjective

informal
  • Funny or amusing in a slightly odd or peculiar way.

    ‘a wacky chase movie’
    • ‘Sure she came across as a bit wacky, and a bit all over the place at times.’
    • ‘The room itself takes on the artist's intentions, being transformed into a slightly wacky domestic parlour.’
    • ‘The children came up with some weird and wacky designs including a pink and purple dinosaur covered in sequins.’
    • ‘I have read some whacky things in my time but the latest report of the Electoral Reform Society takes some beating.’
    • ‘I think those whacky movies were more effective than dry lectures about the dangers of unsafe sex and drug use.’
    • ‘Those wacky creative types at the ad agency will believe it ‘hits all the right buttons’.’
    • ‘Dottie is a Lucille Ball clone who performs wacky antics on her television show.’
    • ‘The cast of whacky eccentrics and their unbelievable behaviour grates; it doesn't come across as in any way real.’
    • ‘Thank you, all you wacky people, for your interesting suggestions for new car names.’
    • ‘Those whacky gardening folk and their uproarious naming schemes!’
    • ‘Thousands of people up and down the country are doing weird and wacky things today to raise money for Comic Relief.’
    • ‘There's a flood of whacky stories, and it's difficult to tell what's real and what's not.’
    • ‘Teachers and students were asked to make a gold coin donation in order to sport their weird and wacky hairstyles for the day.’
    • ‘Dixon leapt to fame in the 1980s with his wacky welded furniture made of bits of scrap metal.’
    • ‘After 170 years of wacky inventions and strange new models, it seems we may finally be at the end of the road for the electric car.’
    • ‘You may even be able to squeeze out a few more wacky anecdotes from that slightly dysfunctional family of yours.’
    • ‘Youngsters in Malmesbury and Sherston recycled old clothes to make weird and wacky costumes for a fashion show last Thursday.’
    • ‘His wacky antics and funny walk endeared him to children of all ages.’
    • ‘The Renaissance repertoire ranges from the whacky to the sublime, and it's possible that we gave some pieces their first Scottish performances in hundreds of years.’
    • ‘People completed the course dressed in all kinds of weird and wacky outfits this year.’
    zany, madcap, offbeat, quirky, outlandish, eccentric, idiosyncratic, surreal, ridiculous, nonsensical, crazy, absurd, insane, far out, fantastic, bizarre, peculiar, weird, odd, strange, cranky, freakish
    funny, amusing, comic, clownish
    loopy, loony, mad, dotty, nutty, nuts, freaky, batty, potty, goofy, bonkers, crackpot, screwy, screwball, oddball, way-out, off-centre, off the wall, dippy, cuckoo, kinky
    barmy, daft
    kooky, wacko
    bizarro
    View synonyms

Origin

Mid 19th century (originally dialect): from the noun whack + -y.

Pronunciation:

wacky

/ˈwaki/