ineffective counterproductive weak feckless ineffectual powerless impotent inept feeble inadequate inefficacious unstimulating unstirring futile unmoving incompetent unimpressive useless inefficient worthless unemotional unaffecting unconvincing dissuasive insufficient superficial unproductive hollow dispirited lifeless unexciting bland meek pathetic unenthusiastic nominal boring empty static vapid helpless insipid rambling unremarkable tame dull disheartening trifling pointless inane apathetic fatuous indifferent unimposing irrelevant unimportant casual meaningless inconclusive ordinary unfounded insignificant unsubstantial uninfluential immaterial unsound speculative insincere baseless inconsequential needless trivial unpersuasive shaky usual dumb inconspicuous groundless unhelpful indecisive unintelligent vague remote nonsensical wasted unsatisfactory moderate soft mild vain sterile undramatic dampening discouraging comedic silly superfluous ridiculous unreasonable absurd