" painstakingly "

1: as in meticulously, thoroughly;

•  Synonyms : 

•  ardently,

•  attentively,

•  conscientiously,

•  earnestly,

•  exhaustively,

•  meticulously,

•  seriously,

•  thoroughly,

•  continuously,

•  ploddingly,

•  steadfastly,

•  steadily,

•  unabatedly,

•  unrelentingly,

•  unremittingly,

•  indefatigably,

•  tirelessly,

•  unflaggingly,

•  untiringly,

•  wearilessly,

•  actively,

•  animatedly,

•  briskly,

•  busily,

•  dynamically,

•  energetically,

•  feverishly,

•  spiritedly,

•  vehemently,

•  vigorously,

•  zealously,

•  obstinately,

•  stubbornly,

•  willfully,

•  amain,

•  arduously,

•  assiduously,

•  determinedly,

•  diligently,

•  doggedly,

•  hard,

•  hardly,

•  industriously,

•  intensely,

•  intensively,

•  intently,

•  laboriously,

•  mightily,

•  purposefully,

•  resolutely,

•  sedulously,

•  slavishly,

•  strenuously

•  Antonyms : 

•  casually,

•  desultorily,

•  halfheartedly,

•  indolently,

•  lackadaisically,

•  languidly,

•  lazily,

•  listlessly,

•  shiftlessly,

•  sluggishly,

•  spiritlessly,

•  tiredly,

•  wearily

1: taking, showing, or involving great care and effort;

  * e.g., " ... she was always painstaking about her work "

•  Synonyms : 

•  careful,

•  conscientious,

•  fussy,

•  loving,

•  meticulous,

•  scrupulous

•  Antonyms : 

•  careless