Find Antonyms
illegitimately Antonyms
Opposite of illegitimately
Because the opposite of illegitimately shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
• adverb (Context 1)
In a manner not authorized by law or not in accordance with accepted standards, rules, or logic.
Usage Example
"The investigation revealed that the funds had been legitimately transferred to an offshore account."
Strongest
legitimately
lawfully
legally
Strong
validly
rightfully
properly
• adverb (Context 2)
Out of wedlock; to parents who are not married to each other.
Usage Example
"In earlier centuries, children born legitimately were often denied inheritance rights under the law."
Strongest
legitimately
Strong
lawfully
Similar words to illegitimately
Words similar to illegitimately shift depending on context. Common synonyms include:
illegally
out of wedlock
unlawfully
illicitly
wrongfully
improperly
invalidly
• Nearby Words
Cite this Entry
Wordmom. (2026). Antonyms for Illegitimately. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/illegitimately