perturb
[ per-turb ]
/ pərˈtɜrb /
verb (used with object)
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).
QUIZZES
LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!
Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?
Origin of perturb
OTHER WORDS FROM perturb
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for perturb
British Dictionary definitions for perturb
perturb
/ (pəˈtɜːb) /
verb (tr; often passive)
to disturb the composure of; trouble
to throw into disorder
physics astronomy to cause (a planet, electron, etc) to undergo a perturbation
Derived forms of perturb
perturbable, adjectiveperturbably, adverbperturbing, adjectiveperturbingly, adverbWord Origin for perturb
C14: from Old French pertourber, from Latin perturbāre to confuse, from per- (intensive) + turbāre to agitate, from turba confusion
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012