" haphazardly "

1: without definite aim, direction, rule, or method;

  * e.g., " ... you should not begin writing haphazardly; first, make an outline "

•  Synonyms : 

•  aimlessly,

•  anyhow,

•  anyway,

•  anywise,

•  desultorily,

•  erratically,

•  haphazard,

•  helter-skelter,

•  hit or miss,

•  irregularly,

•  randomly,

•  willy-nilly

•  Antonyms : 

•  methodically,

•  systematically

1: lacking a definite plan, purpose, or pattern;

  * e.g., " ... considering the haphazard way you measured the ingredients, it's a wonder the cookies came out this good "

•  Synonyms : 

•  aimless,

•  arbitrary,

•  catch-as-catch-can,

•  desultory,

•  erratic,

•  helter-skelter,

•  hit-or-miss,

•  random,

•  scattered,

•  slapdash,

•  stray

•  Antonyms : 

•  methodical,

•  nonrandom,

•  orderly,

•  organized,

•  regular,

•  systematic,

•  systematized