Synonyms of perturbation

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

• fear
• concern
• anxiety
• worry
• unease
• concernment
• uncertainty
• agitation
• uneasiness
• fearfulness
• disquietude
• nervousness
• apprehension
• disquiet
• solicitude
• tension
• apprehensiveness
• discomfort
• disturbance
• care
• stress
• anxiousness
• sweat
• nervosity
• panic
• desperation
• tremor
• anguish
• agita
• distress
• dread
• doubt
• desperateness
• strain
• consternation
• jitters
• dismay
• discomposure
• torment
• vexation
• alarm
• upset
• angst
• distraction
• alarum
• incertitude
• jumpiness
• suspense
• presentiment
• compunction
• edginess
• hand-wringing
• cold feet
• franticness
• foreboding
• misgiving
• qualm
• scruple

Antonyms & Near Antonyms

• unconcern
• content
• tranquillity
• ease
• peace
• contentment
• quietude
• calm
• calmness
• serenity
• tranquility
• relief
• placidity
• quiet
• easiness
• peacefulness
• consolation
• solace
• comfort
• placidness
• tranquilness
• sereneness

Examples of perturbation in a Sentence

Recent Examples on the Web

Around 183 million years ago, there was a perturbation in the carbon cycle, along with extreme volcanism that belched out massive amounts of methane, sulfur dioxide, and mercury. —Elizabeth Rayne, Ars Technica, 28 May 2024

His research focuses on how marine ecosystems respond to natural and anthropogenic perturbations. —Graham A. J. Worthy, Scientific American, 1 Oct. 2018

The researchers realized that quakes sometimes didn’t leave telltale perturbations. —IEEE Spectrum, 22 June 2021

Because of these perturbations, an object behind the lensing galaxy is magnified, although often in a somewhat warped way. —Elizabeth Rayne, Ars Technica, 19 Dec. 2023