perturb


per·turb

verb \pər-ˈtərb\

: to cause (someone) to be worried or upset

Full Definition of PERTURB

transitive verb
1
:  to cause to be worried or upset :  disquiet
2
:  to throw into confusion :  disorder
3
:  to cause to experience a perturbation
per·turb·able \-ˈtər-bə-bəl\ adjective

Examples of PERTURB

  1. It perturbed him that his son was thinking about leaving school.
  2. <the caller's strange remark perturbed me enough to keep me awake that night>

Origin of PERTURB

Middle English, from Middle French perturber, from Latin perturbare to throw into confusion, from per- + turbare to disturb — more at turbid
First Known Use: 14th century

Browse

Next Word in the Dictionary: perturbate (transitive verb)
Previous Word in the Dictionary: per tout et non per my
All Words Near: perturb

Seen & Heard

What made you want to look up perturb? Please tell us where you read or heard it (including the quote, if possible).