Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
perturb

per·turb

perturb

 
pronunciation:
pr tuhrb
features:
Word Parts
part of speech: transitive verb
inflections: perturbed, perturbing, perturbs
definition 1: to cause great disturbance in (the mind); agitate or worry.
His daughter's question about her mother's death perturbed him, and he couldn't understand what made her ask such a thing.
synonyms:
agitate, disturb, upset
similar words:
alarm, discompose, dismay, disquiet, exercise, fluster, jangle, jar, shake, trouble, unsettle, vex, worry
definition 2: to cause great confusion in; derange.
Waking up in a strange hospital bed perturbed the elderly man.
synonyms:
confound, derange, disorder
similar words:
bewilder, confuse, disturb, fluster, perplex, unbalance, upset
definition 3: to disturb the ordinary motion or equilibrium of.
These electrical forces can perturb the biorhythms of mice.
synonyms:
derange, upset
similar words:
disturb, jar, ruffle, trouble, unbalance, unsettle
derivations: perturbable (adj.), perturbingly (adv.), perturbability (n.)