Word Study
so so
THESAURUS
so so
average, betwixt and between, dull, fair, fair to middling, fairish, fairishly, fairly, indifferent, indifferently, insipid, lackluster, mediocre, mediocrely, medium, middling, middling well, middlingly, moderate, moderately, modest, modestly, namby-pamby, of a kind, of a sort, of sorts, passable, passably, rather, respectable, run-of-mine, run-of-the-mill, tedious, tolerable, tolerably, vapid, wishy-washyFor further exploring for "so so" in Webster Dictionary Online