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Definition of flub
flub
/flʌb/
flub
Plural:flubs
•Past Simple:flubbed
•Past Participle:flubbed
•Present Participle:flubbing
flub Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Rare
Syllables
1
flub Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
North American To botch, bungle, or perform poorly, especially by misreading a line or making a clumsy error.
Example
"The nervous actor was afraid he would flub his lines on opening night."
Synonyms
View all synonyms for flub Antonyms
View all antonyms for flub• noun
1
North American A clumsy mistake, blunder, or botched performance, especially a misspoken line or fumbled action.
Example
"Despite a minor flub during the opening monologue, the play was a resounding success."
Synonyms
View all synonyms for flub Antonyms
View all antonyms for flub• Rhymes for flub
Word Origin & Etymology
Originating in early 20th-century American English, likely as an expressive blend of 'fluff' (to make an error in speaking or acting) and 'dub' (a clumsy player or a bungled stroke in golf).
Cite this Entry
Wordmom. (2026). Definition of Flub. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/flub