[ fluhs-ter ]
/ ˈflʌs tər /

verb (used with object)

to put into a state of agitated confusion: His constant criticism flustered me.
to excite and confuse with drink.

verb (used without object)

to become agitatedly confused.


nervous excitement or confusion.

Origin of fluster

1375–1425; late Middle English flostren; cf. bluster, Old Norse flaustra to hurry

Related forms

un·flus·tered, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fluster

British Dictionary definitions for fluster


/ (ˈflʌstə) /


to make or become confused, nervous, or upset


a state of confusion or agitation

Word Origin for fluster

C15: probably of Scandinavian origin; compare Icelandic flaustr to hurry, flaustra to bustle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012