1. to make nervous, confused, or agitated; to upset or disturb someone’s composure
Usage: third person singular present tense of ‘fluster’

Examples

• The unexpected question flusters the nervous student during the interview.
• Loud noises always fluster my elderly grandmother.
• The complicated directions fluster anyone trying to assemble the furniture.
• Nothing flusters her – she stays calm under pressure.
• The teacher’s stern look flusters the misbehaving children.
• Heavy traffic flusters inexperienced drivers.
• The surprise visit flusters the unprepared host.