adjective
-
illegal
-
illicit; immoral
unlawful love
-
an archaic word for illegitimate
Related Words
See illegal.
Other Word Forms
- unlawfully adverb
- unlawfulness noun
Etymology
Origin of unlawful
First recorded in 1250–1300, unlawful is from the Middle English word unlaweful. See un- 1, lawful
Compare meaning
How does unlawful compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The ban was ruled unlawful in February, but remained in place pending an appeal.
From BBC • Apr. 11, 2026
The judge also ruled that the Pentagon’s closure of a special area reserved for Pentagon correspondents was unlawful and undermined the court’s previous order.
From The Wall Street Journal • Apr. 10, 2026
"We're grateful the court recognized these issues need to be resolved quickly and remain confident the courts will ultimately agree that these supply chain designations were unlawful," an Anthropic spokesperson told AFP.
From Barron's • Apr. 9, 2026
“Nothing about establishing a moon base, a permanent presence on the moon, is unlawful in international law, and it could just be that dominance is rhetoric.”
From Salon • Apr. 9, 2026
“This is an unlawful assembly,” the police chief announced through a loudspeaker.
From "Because They Marched" by Russell Freedman
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
