Antonyms of adv lawlessly

1 sense of lawlessly

Sense 1
illegally, illicitly, lawlessly -- (in an illegal manner; "they dumped the waste illegally")
       Antonym of lawfully (Sense 1)
      => legitimately, lawfully, licitly -- (in a manner acceptable to common custom; "you cannot do this legitimately!")

Synonyms of adv lawlessly

1 sense of lawlessly

Sense 1
illegally, illicitly, lawlessly -- (in an illegal manner; "they dumped the waste illegally")