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body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other. Newcomb.

Of or pertaining to perturbation, esp. to the perturbations of the planets. "The perturbational theory." Sir J. Herschel.

Freedom from agitation of mind; calmness; quietude. W. Montagu.

sturbance of tranquillity; disturbance of mind which shows itself by physical excitement; perturbation; as, to cause any one agitation.

Agitation, perturbation, or disorder, of mind; heat; excitement. "He could not debate anything without some commotion." Clarendon.

The state of being abashed or disconcerted; loss self-possession; perturbation; shame.

The state of being discomposed; disturbance; disorder; agitation; perturbation. No discomposure stirred her features. Akenside.

The act of disconcerting, or state of being disconcerted; discomposure; perturbation. [R.] State Trials (1794).

Perturbation of mind; mental uneasiness. Sprinkled a little patience on the heat of his distemperature. Sir W. Scott.

Agitation from violent emotions; perturbation of mind; despair. The distraction of the children, who saw both their parents together, would have melted the hardest heart. Tatler.

Disturbance; perturbation. [R.] "Perturbance of the mind." Sharp.

Tending to cause perturbation; disturbing. Sir J. Herschel.

One who, or that which, perturbs, or cause perturbation.

To give a smooth or calm appearance to. Each perturbation smoothed with outward calm. Milton.