PERTURBATIONS Synonyms: 80 Similar and Opposite Words

perturbation

noun

ˌpər-tər-ˈbā-shən

as in fear

an uneasy state of mind usually over the possibility of an anticipated misfortune or trouble in her perturbation she kept calling her son, a freshman, to see if everything was all right at college

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Recent Examples of perturbation By comparing the forward and backward series of operations, the new algorithm can see the effects of this perturbation throughout the molecule and so model the molecule as a whole. —

IEEE Spectrum, 21 Oct. 2025 But otherwise the climate, through its perturbations, has maintained conditions conducive to animal life for nearly a half-billion years. —

Peter Brannen, Quanta Magazine, 15 Sep. 2025 Quantum machines of today are prone to errors, have a restricted size range, and are sensitive to perturbations in their surrounding environment. —

Chuck Brooks, Forbes.com, 29 Aug. 2025 To identify the quantum states of a particle, scientists need to isolate it from perturbations arising from its surroundings. —

Ameya Paleja, Interesting Engineering, 8 Aug. 2025 See All Example Sentences for perturbation

Recent Examples of Synonyms for perturbation

Noun

Renter Mandy Feng, who prefers to use a pseudonym for fear of being seen criticizing the authorities, said the stimulus the government is offering has failed to offset people’s anxiety over an uncertain economic outlook.

— Chris Lau, CNN Money, 18 May 2026
China's exports gathered pace in April as factories scrambled to meet surging overseas demand from foreign buyers stockpiling goods as the Iran fanned fears of higher input costs.

— Anniek Bao,Evelyn Cheng, CNBC, 18 May 2026