Simple Definition of thunk

from our Learner's Dictionary

thunk

noun

ˈθʌŋk How to pronounce thunk (audio)
chiefly US : a dull, hollow sound made especially when a heavy object hits something
The book landed on the floor with a thunk.

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“Thunk.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/thunk. Accessed 16 Apr. 2026.

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