/ ˈflʌstə(r); NAmE / verb , noun
■ verb
[ vn ] [ often passive ] to make sb nervous and/or confused, especially by giving them a lot to do or by making them hurry
► flus·tered adjective
SYN flurried :
She arrived late, looking hot and flustered.
■ noun
[ sing. ] ( BrE ) a state of being nervous and confused
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WORD ORIGIN
early 17th cent. (in the sense make slightly drunk ): perhaps of Scandinavian origin and related to Icelandic flaustra hurry, bustle.