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illegally Synonyms
Another word for illegally
Choosing another word for illegally that fits your sentence is easier when synonyms and similar words are paired with an exact adverb definition and ranked by match strength.
• adverb (Context 1)
In a manner that is contrary to or forbidden by law, statute, or official regulations.
Usage Example
"Cars parked unlawfully in the loading zone will be towed at the owner's expense."
Strongest
unlawfully
illicitly
Strong
criminally
illegitimately
feloniously
wrongfully
Opposites of illegally
The opposite of illegally shifts depending on context. Common opposites include:
legally
lawfully
licitly
legitimately
rightfully
permissibly
• Nearby Words
Cite this Entry
Wordmom. (2026). Synonyms for Illegally. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/illegally