Englishlackluster
adjective
a limp and lackluster speech:
uninspired, uninspiring, unimaginative, dull, humdrum, colorless, characterless, bland, insipid, vapid, flat, dry, lifeless, listless, tame, tired, prosaic, mundane, run-of-the-mill, commonplace, spiritless, lusterless, apathetic, torpid, unanimated;
uninteresting, boring, monotonous, dreary, tedious, wearisome.
▷antonyms inspired, brilliant.