Dictionary

noun

Definitions

1. A fearful state; a state of concern or hesitation.

   Example: I decided, with considerable trepidation, to let him drive my car without me.

   Synonyms:agitationapprehensionconsternationfearhesitationworry

2. An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.

3. A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain small changes in the position of the ecliptic and of the stars.