adjective
common, regular
Synonyms: accustomed, customary, established, everyday, familiar, frequent, general, habitual, humdrum, natural, normal, popular, prevailing, public, quotidian, routine, run-of-the-mill, settled, standard, stock, traditional, typical, usual, wonted
Antonyms: abnormal, extraordinary, irregular, uncommon
adjective
average; not distinctive
Synonyms: characterless, common, commonplace, conventional, dull, fair, familiar, garden, garden variety, generic, habitual, homespun, household, humble, indifferent, inferior, mean, mediocre, modest, no great shakes, normal, pedestrian, plain, plastic, prosaic, quotidian, routine, run-of-the-mill, second-rate, simple, so-so, stereotyped, undistinguished, uneventful, unexceptional, uninspired, unmemorable, unnoteworthy, unpretentious, unremarkable, usual, vanilla, white-bread, workaday
Antonyms: different, distinctive, remarkable, special