transitive. To influence or affect (a person, the mind) strongly, esp. so as to cause foolish, irrational, or uncharacteristic behaviour…

transitive. To perturb or shake up (a person) in mind or feelings; to make worried or nervous.

transitive. To cause to ferment; to leaven.

transitive. To excite to tumult, put into a state of tumult, make tumultuous; to disorder or disturb violently.

transitive. To make (a person) feel suddenly frightened or in danger; to strike or fill with fear. Later commonly in somewhat weakened use: to fill…

transitive. figurative. To make overexcited, distraught, or nervous; to agitate excessively. Now rare.

transitive. To deprive of calm; to agitate, disturb.

transitive (causatively). figurative. To throw (a person) into confusion, agitation, or tremulous excitement. to flutter the dovecotes: to alarm, or…

transitive. To put (a person) into a pother; to fluster, worry; to perplex, confuse.

To cause to become unsettled, ‘carry away’.

transitive. To throw into fluctuation; to unsettle.

transitive. To put into a fuss; to agitate, worry; to bother about trifles. Also to fuss up (? dialect): to flatter, treat with fussy politeness.

transitive. To put into tumult; to agitate violently.

transitive. To disconcert, upset, disturb; to excite; spec. (originally U.S.) to convulse with laughter. Also intransitive. colloquial.

transitive. To annoy, make angry, vex, irritate; (sometimes more generally) to stir up, rouse, provoke a response from. Also with up.

To generate or produce steam for mechanical purposes: said of an engine or boiler. to steam up, to turn on steam or set it working; hence figurative.

To upset the nerves of, agitate, confuse.