Antonyms of adv illegitimately

2 senses of illegitimately

Sense 1
illegitimately, illicitly -- (in a manner disapproved or not allowed by custom; "He acted illegitimately when he increased the rent fourfold")
       Antonym of legitimately (Sense 1)
      => legitimately, lawfully, licitly -- (in a manner acceptable to common custom; "you cannot do this legitimately!")

Sense 2
illegitimately, out of wedlock -- (of biological parents not married to each other; "this child was born illegitimately")
       Antonym of legitimately (Sense 2)
      => legitimately -- (in a lawfully recognized manner; "let's get married so our child can be born legitimately")

Synonyms of adv illegitimately

2 senses of illegitimately

Sense 1
illegitimately, illicitly -- (in a manner disapproved or not allowed by custom; "He acted illegitimately when he increased the rent fourfold")

Sense 2
illegitimately, out of wedlock -- (of biological parents not married to each other; "this child was born illegitimately")