PERTURBATION 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

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

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

Gábor Polyák, a professor of media law at Eötvös Loránd University in Budapest, said many in the capital were hearing stories of elderly people in small villages who, since Magyar’s victory, were living in fear.

— Christian Edwards, CNN Money, 19 Apr. 2026
Among the victims were two boys, ages 12 and 14, whose deaths have rattled their community in Northeast Washington and prompted broader fears about an uptick in gun violence that typically unfolds in warmer weather.

— Marissa J. Lang, Washington Post, 19 Apr. 2026