Mediocre

Adjective

 * 1) Ordinary: not extraordinary; not special, exceptional, or great; of medium quality;

Adverbs for Mediocre
hopelessly; indefensibly; undeniably; stupidly; dully; stodgily; uninterestingly; boresomely; tediously; monotonously; crudely; crassly; inexcusably; unaccountably; surprisingly; amazingly; terribly; unexpectedly; unwarrantably; awkwardly; provincially; tiresomely; dreadfully; pitiably; miserably ; wretchedly.

Thesaurus
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