" arbitrarily "

1: as in casually, indiscriminately;

•  Synonyms : 

•  capriciously,

•  carelessly,

•  casually,

•  indiscriminately,

•  informally,

•  offhand,

•  offhandedly,

•  promiscuously,

•  whimsically,

•  aimlessly,

•  anyhow,

•  anyway,

•  anywise,

•  desultorily,

•  erratically,

•  haphazard,

•  haphazardly,

•  helter-skelter,

•  hit or miss,

•  irregularly,

•  randomly,

•  willy-nilly,

•  accidentally,

•  fortuitously,

•  inadvertently,

•  unconsciously,

•  unintentionally,

•  unwittingly,

•  disconnectedly,

•  disjointedly,

•  fitfully,

•  intermittently,

•  spottily,

•  unpredictably,

•  higgledy-piggledy,

•  topsy-turvy

•  Antonyms : 

•  methodically,

•  systematically,

•  carefully,

•  formally,

•  gingerly,

•  meticulously,

•  orderly,

•  punctiliously,

•  deliberately,

•  intentionally,

•  purposefully,

•  purposely

1: having or showing a tendency to force one's will on others without any regard to fairness or necessity;

  * e.g., " ... an arbitrary piano teacher who makes all her students do the same exercises over and over again "

•  Synonyms : 

•  dictatorial,

•  high-handed,

•  imperious,

•  peremptory,

•  willful

•  Antonyms : 

•  methodical,

•  nonrandom,

•  orderly,

•  organized,

•  regular,

•  systematic,

•  systematized

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

  * e.g., " ... the order of the names of the 10 semifinalists is entirely arbitrary "

•  Synonyms : 

•  aimless,

•  catch-as-catch-can,

•  desultory,

•  erratic,

•  haphazard,

•  helter-skelter,

•  hit-or-miss,

•  random,

•  scattered,

•  slapdash,

•  stray

•  Antonyms : 

•  limited

3: exercising power or authority without interference by others;

  * e.g., " ... a nation with no tradition of democracy, only a long history of arbitrary rulers "

•  Synonyms : 

•  absolute,

•  autocratic,

•  czarist,

•  despotic,

•  dictatorial,

•  monocratic,

•  tyrannical,

•  tyrannous

•  Antonyms : 

• (N/A)