lawless

adjective

law·​less ˈlȯ-ləs 

1

: not regulated by or based on law

2

a

: not restrained or controlled by law : unruly

b

: illegal

lawlessly adverb

lawlessness noun

Synonyms of lawless

• criminal
• rebellious
• anarchic
• illegal
• disorderly
• illicit

Examples of lawless in a Sentence

the lawless society of the frontier

the lawless rioters were destroying everything in sight

Recent Examples on the Web

Everybody on our side understands that impeachment is a critical tool in the toolbox for constitutional self-defense against a president acting like a king, an imperious, lawless, arrogant king. — NBC news, 6 Sep. 2026

Besides, though the presence of armed vigilantes helped many in town feel safer, the fact remained that much of Michoacán was still lawless. — Kate Linthicum, Los Angeles Times, 6 Sep. 2026

The show, Gunsmoke & Mirrors, is set in the late 19th century and chronicles the transformation of Christian Rørmose Madsen, who reinvented himself in the lawless crucible of the American West. — Jesse Whittock, Deadline, 2 Sep. 2026

Getting a new Middle East policy right requires rethinking the decision to prioritize relations with autocratic and lawless allies in the name of pragmatism. — Marc Lynch, Foreign Affairs, 18 Aug. 2026

Word History

First Known Use

12th century, in the meaning defined at sense 1

Rhymes for lawless

• aulus
• flawless
• solace
• squalus

Kids Definition

lawless

adjective

law·​less ˈlȯ-ləs 

1

: not based on or regulated by law

the lawless society of the frontier

2

: not controlled by law : unruly, disorderly

lawless mob

lawlessly adverb

lawlessness noun

Legal Definition

lawless

adjective

law·​less

1

: not restrained or controlled by law

2

: illegal

a lawless act

lawlessly adverb

lawlessness noun