to prepare verbally, either for written or spoken delivery; "prepare a report"; "prepare a speech"
lead up to and soften by sounding the dissonant note in it as a consonant note in the preceding chord; "prepare the discord in bar 139"
prepare (someone) for a future role or function; "He is grooming his son to become his successor"; "The prince was prepared to become King one day"; "They trained him to be a warrior"
very small; "diminutive in stature"; "a lilliputian chest of drawers"; "her petite figure"; "tiny feet"; "the flyspeck nation of Bahrain moved toward democracy"
excite to an abnormal condition, of chafe or inflame; "Aspirin irritates my stomach"
excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus; "irritate the glands of a leaf"
throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"
cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"