Adverb
(comparative more illegally, superlative most illegally)
Origin
illegal + -ly
MLA Style
"illegally." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/illegally>.
APA Style
illegally. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/illegally