convincing

unimpressive, uninspiring, insipid, uninspired, disjointed, nervy, ineffectual, farcical, turgid, ropey, shambolic, implausible, lackluster, convincing, abject, amateurish, desultory, unsatisfying, inept, feeble, unmemorable, risible, forgettable, emphatic, woeful, unimaginative, perfunctory, unpersuasive, obdurate, unsubtle, patchy, unenlightening, listless, imperious, passionless, clumsy, ponderous, facile, workmanlike, pathetic, slapdash, dismal, laughable, inconsistent, flimsy, dreadful, sloppy, dubious, stilted, dispiriting, overlong, abysmal, unforthcoming, mediocre, indifferent, incoherent, trite, pitiful, cliched, plausible, fatuous, equivocal, artless, overdetermined, comical, unfocussed, wretched, unaffecting, shaky, unpromising, baffling, hackneyed, spiritless, dour, flaccid, unambitious, bizarre, lame, uncharacteristic, leaden, soporific, threadbare, slipshod, toothless, embarrassing, uninventive, unassailable, unentertaining, ragged, unexceptional, insubstantial, absurd, nonsensical, untroubled, irresolute, lamentable, prolix, admirable, meaningless, inexplicable, preposterous, specious, tolerable, be, cease, correspond, feasible, harmless, impatient, improbable, abide, admits, advanced, articulate, avail, avails, believe, briefly, coincide, conceivable, believable, disingenuous, apologetic, reassuring, tenable, cogent, compelling, credible, exculpatory, conclusive, deprecating, farfetched, irrefutable, oversimplified

lamely, unconvincingly

unbelievable, unlikely