- 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 perturbing
The great box-plants, the great box-plants with their acrid, perturbing perfume!The Three Cities Trilogy, Complete
Does the perturbing problem of an end occur to its dense brain?The Glow-Worm and Other Beetles
Jean Henri Fabre
The period was easily allowed to be not exact, because of perturbing planets.
So the perturbing power of such a mass on distant bodies is imperceptible.
Superficially, her beauty of irregularity was of all beauty the most perturbing and provocative.Angel Island
Inez Haynes Gillmore
- 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 perturbing
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.