English dictionary

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English verb: perturb

1. perturb (emotion) disturb in mind or make uneasy or cause to be worried or alarmed

SamplesShe was rather perturbed by the news that her father was seriously ill.

ExamplesThe bad news will perturb him

Synonymscark, disorder, disquiet, distract, trouble, unhinge

Pattern of useSomebody ----s somebody.
Something ----s somebody

Broader (hypernym)disturb, trouble, upset

Narrower (hyponym)vex, worry

2. perturb (motion) disturb or interfere with the usual path of an electron or atom

SamplesThe electrons were perturbed by the passing ion.

Pattern of useSomething ----s something

Broader (hypernym)deviate

Verb groupperturb

3. perturb (motion) cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull

SamplesThe orbits of these stars were perturbed by the passings of a comet.

Pattern of useSomething ----s something

Broader (hypernym)deviate

Verb groupperturb

4. perturb (change) throw into great confusion or disorder

SamplesFundamental Islamicists threaten to perturb the social order in Algeria and Egypt.

Synonymsderange, throw out of kilter

Pattern of useSomebody ----s something.
Something ----s something

Broader (hypernym)disarray, disorder

Based on WordNet 3.0 copyright © Princeton University.
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