Simple Definition of flub

from our Learner's Dictionary

flub

verb

ˈflʌb How to pronounce flub (audio)
flubs; flubbed; flubbing
US, informal : to fail to do (something) correctly : botch
The ball went right to him but he flubbed the catch.
The actress flubbed several lines.

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“Flub.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/flub. Accessed 20 Jun. 2026.

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