- 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 perturber
There's less of it with you to provide for, and it's less a perturber of your reckoning.The Letters of Henry James (volume I)
All his shameful perturbation vanished, a trifling thing before the great Perturber's presence.Gilian The Dreamer
The bourkhan Ebdekchi (the perturber) appeared at the time when the duration of life did not exceed 40,000 years.Travels in the Steppes of the Caspian Sea, the Crimea, the Caucasus, &c.
Xavier Hommaire de Hell
This action takes place if a slate, a pane of glass, or a shingle is interposed between the needle and its perturber.
- 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 perturber
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.