illegally

What it means

1. In a manner contrary to law.

   He received a ticket for illegally parking next to a fire hydrant.

   1 more example

   The dangers of scofflawry vary wildly. The person who illegally spits on the sidewalk remains disgusting, but clearly poses less risk to others than the company that illegally buries hazardous chemical waste in an unauthorized location.

   1983 January 24, Frank Trippett, “Essay: A Red Light for Scofflaws”, in Time

   Synonyms: illicitly, criminally, forbiddenly, illegitimately, illicitly, unlawfully · Antonyms: legally, lawfully, legally, legitimately, licitly

In a sentence

He received a ticket for illegally parking next to a fire hydrant.

Where it comes from

From illegal + -ly or il- + legally.