- to disturb or disquiet greatly in mind; agitate.
- to throw into great disorder; derange.
- Astronomy. to cause perturbation in the orbit of (a celestial body).
Origin of perturb
SynonymsSee more synonyms for perturb on Thesaurus.com
Examples from the Web for perturb
“Do not perturb yourself, I beg of you,” she said in a sympathetic voice.The Stretton Street Affair
William Le Queux
The only consequence of their smallness is their inability to perturb others.Pioneers of Science
What, then, are the things that oppress127 us and perturb us?The Teaching of Epictetus
Enmity, unpleasant and ominous as it may be, is not to perturb or move you.
But the flapping of feudal wings did not perturb this veteran hawk of the hills.The Red Debt
- to disturb the composure of; trouble
- to throw into disorder
- physics astronomy to cause (a planet, electron, etc) to undergo a perturbation
Word Origin and History for perturb
late 14c., from Old French perturber "disturb, confuse" (14c.) and directly from Latin perturbare "to confuse, disorder, disturb," especially of states of the mind, from per- "through" (see per) + turbare "disturb, confuse," from turba "turmoil, crowd" (see turbid). Related: Perturbed; perturbing.