" ineffectually "

1: as in ineffectively, uncertainly;

•  Synonyms : 

•  impotently,

•  ineffectively,

•  lamely,

•  nervelessly,

•  spinelessly,

•  uncertainly,

•  bloodlessly,

•  halfheartedly,

•  languidly,

•  lazily,

•  listlessly,

•  spiritlessly,

•  delicately,

•  faintly,

•  frailly,

•  shakily,

•  feebly,

•  gently,

•  softly,

•  weakly

•  Antonyms : 

•  dynamically,

•  energetically,

•  explosively,

•  firmly,

•  forcefully,

•  forcibly,

•  hard,

•  mightily,

•  muscularly,

•  powerfully,

•  roundly,

•  stiffly,

•  stoutly,

•  strenuously,

•  strongly,

•  sturdily,

•  vigorously,

•  fiercely,

•  hammer and tongs,

•  robustly,

•  roughshod,

•  sharply,

•  vehemently,

•  violently,

•  actively,

•  animatedly,

•  briskly,

•  crisply,

•  eagerly,

•  gamely,

•  heartily,

•  lustily,

•  snappily,

•  spiritedly,

•  spunkily,

•  vivaciously

1: not producing the desired result;

  * e.g., " ... an ineffectual effort to find the trail again did at least lead them to another stunning view of the canyon "

•  Synonyms : 

•  counterproductive,

•  feckless,

•  hamstrung,

•  ineffective,

•  inefficacious,

•  inefficient,

•  inexpedient

•  Antonyms : 

•  effective,

•  effectual,

•  efficacious,

•  efficient,

•  expedient,

•  operant,

•  ultraefficient

2: producing no results;

  * e.g., " ... another ineffectual plan to lose weight without dieting or exercising "

•  Synonyms : 

•  abortive,

•  barren,

•  bootless,

•  empty,

•  fruitless,

•  futile,

•  ineffective,

•  inefficacious,

•  otiose,

•  profitless,

•  unavailing,

•  unproductive,

•  unprofitable,

•  unsuccessful,

•  useless,

•  vain

•  Antonyms : 

•  deadly,

•  effective,

•  effectual,

•  efficacious,

•  efficient,

•  fruitful,

•  potent,

•  productive,

•  profitable,

•  successful,

•  virtuous