Definitions
thrown into a state of agitated confusion; (‘rattled’ is an informal term)
Used in a sentence
“The speaker became quite flustered when she dropped all her notes.”
“Behind the scenes, Truss's camp feel positive too—claiming that while she stayed calm Sunak was “flustered”.”
“I ring her bell and I’m buzzed in. My Spanish teacher, Miss P – Ali – is standing in the doorway, looking flustered.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Upset and confused”9 letters
02“Rattled”9 letters
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