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Webster’s Dictionary (1828)

98,828 entries. Headwords are matched first, then definition text.

26 words match “PERTURB”

PERTURB v. 2 definitions
To disturb; to agitate; to vex; to trouble; to disquiet. Ye that . . . perturb so my feast with crying. Chaucer.
PERTURBABILITY n.
The quality or state of being perturbable.
PERTURBABLE a.
Liable to be perturbed or agitated; liable to be disturbed or disquieted.
PERTURBANCE n.
Disturbance; perturbation. [R.] "Perturbance of the mind." Sharp.
PERTURBATE v. 2 definitions
To perturb. [Obs.] Dr. H. More.
PERTURBATION n. 2 definitions
The act of perturbing, or the state of being perturbed; esp., agitation of mind.
PERTURBATIONAL a.
Of or pertaining to perturbation, esp. to the perturbations of the planets. "The perturbational theory." Sir J. Herschel.
PERTURBATIVE a.
Tending to cause perturbation; disturbing. Sir J. Herschel.
PERTURBATOR n.
A perturber. [R.]
PERTURBED a.
Agitated; disturbed; troubled. Shak. -- Per*turb"ed*ly, adv.
PERTURBER n.
One who, or that which, perturbs, or cause perturbation.
IMPERTURBABILITY n.
The state or quality of being imperturbable. [1913 Webster]
IMPERTURBABLE a.
Incapable of being disturbed or disconcerted; as, imperturbable gravity.
IMPERTURBABLY adv.
In an imperturbable manner; calmly. C. Bronté.
IMPERTURBATION n.
Freedom from agitation of mind; calmness; quietude. W. Montagu.
IMPERTURBED a.
Not perturbed.
AGITATE v.
To stir up; to disturb or excite; to perturb; as, he was greatly agitated. The mind of man is agitated by various passions. Johnson.
AGITATION n.
sturbance of tranquillity; disturbance of mind which shows itself by physical excitement; perturbation; as, to cause any one agitation.
COMMOTION n.
Agitation, perturbation, or disorder, of mind; heat; excitement. "He could not debate anything without some commotion." Clarendon.
CONFUSION n.
The state of being abashed or disconcerted; loss self-possession; perturbation; shame.
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