adj. 25B6; adjective
insipid coffee : TASTELESS, flavourless, savourless, bland, weak, wishy-washy; unappetizing, unpalatable.
insipid pictures : UNIMAGINATIVE, uninspired, uninspiring, characterless, flat, uninteresting, lacklustre, dull, boring, dry (as dust), jejune, humdrum, run-of-the-mill, commonplace, pedestrian, trite, tired, hackneyed, stale, lame, tame, poor, inadequate, sterile, anaemic.
tasty, interesting.