arbitrary
词形变化：
副词: arbitrarily | 名词: arbitrariness |
同义词：
unreasonable | willful | dictatorial | overbearing | random | chance | subjective | uninformed | illogical | capricious | indiscriminate | haphazard |
反义词：
词义辨析：
同义:
a.任意的; 武断的
unreasonable
willful
同义参见:
dictatorial
overbearing