: frog in Aboriginal mythology who drinks up all the water in the land then causes a flood when he laughs and the water is released

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of Tiddalik was in 1966

Browse Nearby Words

Cite this Entry

“Tiddalik.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tiddalik. Accessed 25 Aug. 2026.

Love words? Need even more definitions?

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

More from Merriam-Webster