Noun: fluster flús-tu(r)
- A disposition that is confused or nervous and upset
"The unexpected question caused a fluster in the normally composed speaker";
- perturbation
- Be flustered; behave in a confused manner
"She flustered when asked to speak in public"
- Cause to be nervous or upset
"The surprise inspection flustered the employees"
Derived forms: flusters, flustering, flustered
Type of: acquit, act, bear, behave, carry, comport, conduct, confuse, deport, discomposure, disconcert, do, flurry, put off