25B6; adjective (informal) MEDIOCRE, indifferent, average, middle-of-the-road, middling, moderate, ordinary, adequate, fair; uninspired, undistinguished, unexceptional, unremarkable, run-of-the-mill, lacklustre; informal bog-standard, no great shakes, not up to much; NZ informal half-pie.
SO-SO
Meaning of SO-SO in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012