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perturb

verb

/pərˈtɜːrb/

Meaning

To disturb or unsettle greatly in mind.

The sudden noise perturbed the students during the exam.

perturb the balance

disturb, unsettle, agitate, upset, worry

calm, soothe, reassure

greatly perturbed, visibly perturbed, perturb the mind, perturb the balance

To move in a weak and unsteady way, especially due to old age.

To stick out or extend beyond a surface.

To prevent something from happening; to make impossible.

To make something less severe, serious, or painful; to reduce or alleviate.

to make a written copy of spoken words or notes

to add something to what has already been added