whacko

adjective

less common spelling of

: wacky

Learn More About whacko

Dictionary Entries Near whacko

whacking

whacko

whack off

See More Nearby Entries 

Statistics for whacko

Cite this Entry

“Whacko.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whacko. Accessed 23 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on whacko

Nglish: Translation of whacko for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Eponyms: Words Named After People

Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!