Synonyms to no great shakes

adequate, OK, able, acceptable, admissible, all right, ample, average, barely sufficient, better than nothing, capable, comfortable, commensurate, common, competent, corresponding, decent, due, effective, effectual, efficacious, efficient, enough, equal, equal to, fair, fair to middling, fairish, fit, fitted, fitting, good, good enough, goodish, middling, minimal, minimum, moderate, not amiss, not bad, not half bad, not so bad, okay, passable, plenty, plenty good enough, presentable, pretty good, productive, proficient, proper, proportionable, proportionate, qualified, respectable, satisfactory, satisfying, so so, substantial, sufficient, sufficient for, sufficing, suitable, suited, tidy, tolerable, unexceptionable, unexceptional, unimpeachable, unobjectionable, up, up to, up to snuff, workmanlike, Everyman, Public, accustomed, amidships, as a rule, average man, average out, avoid extremes, balance, banal, besetting, bisect, bourgeois, center, central, common man, common run, commonplace, conventional, core, current, customarily, customary, dominant, double, epidemic, equatori