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Definition of fluster
fluster
/ˈflʌs.tɚ/
flus · ter
Plural:flusters
•Adjective:flustered
•Past Simple:flustered
•Past Participle:flustered
•Present Participle:flustering
fluster Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Top 10k
Syllables
2
fluster Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To make someone agitated, confused, or nervous, especially by hurrying or interrupting them.
Example
"The unexpected question from the audience did not fluster the experienced speaker."
Synonyms
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View all antonyms for fluster• noun
1
A state of nervous agitation, confusion, or hurried excitement.
Example
"She was in such a fluster before the interview that she nearly forgot her portfolio."
Synonyms
View all synonyms for fluster Antonyms
View all antonyms for fluster• Rhymes for fluster
Word Origin & Etymology
First recorded in the early 15th century with the sense 'to excite or make tipsy with drink,' likely of Scandinavian origin and related to Icelandic flaustr ('bustle, hurry').
Cite this Entry
Wordmom. (2026). Definition of Fluster. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fluster