1. (a.) Of a middle quality; ordinary; average; as, a mediocre performance\; Of but a moderate or low degree Of excellence; indifferent.

2. (n.) A mediocre person.

3. (n.) A young monk who was excused from performing a portion of a monk's duties.

adulterated amidships artless average bad banal base betwixt and between blemished central common commonplace core damaged defective deficient dull equatorial equidistant erroneous everyday fair fair to middling fairish fallible faulty found wanting garden-variety half-assed halfway immature impaired imperfect imprecise impure inaccurate inadept inadequate inapt inattentive incompetent incomplete indifferent inefficient inept inexact inexpert inferior insipid insufficient interior intermediary intermediate lacking lackluster little makeshift maladroit mean medial median mediterranean medium mesial mezzo mid middle middle-of-the-road middlemost middling midland midmost midships midway mixed moderate modest namby-pamby no great shakes normal not bad not comparable not in it not perfect nuclear of a kind of a sort of sorts off ordinary out of it partial passable patchy pedestrian petty poor respectable routine run-of-the-mill second-rate shabby short sketchy skill-less small so so so-so standard tedious third-rate thoughtless tolerable trivial unapt undeft undeveloped undexterous undextrous undistinguished uneven unexceptional unfacile unfinished unimaginative uninspired unintelligent unperfected unproficient unskillful unsound unthorough usual vapid wanting wishy-washy