✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

banjax

verb

ban·​jax ˈban-ˌjaks How to pronounce banjax (audio)
banjaxed; banjaxing; banjaxes

transitive verb

chiefly Ireland
: damage, ruin
also : smash

Word History

Etymology

origin unknown

First Known Use

1939, in the meaning defined above

Time Traveler
The first known use of banjax was in 1939

Browse Nearby Words

Cite this Entry

“Banjax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/banjax. Accessed 29 Nov. 2025.

Love words? Need even more definitions?

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