so-so /ˈsəʊˌsəʊ/adjective 1adverb 1 adjective1 •(informal) Neither good nor bad; tolerable, passable, indifferent.The dessert was pretty good, but the meal was so-so. adverb1 •(informal) Neither very well nor very poorly.He performed so-so during the tryouts, and the coach was undecided whether to add him to the team or not.