not legal

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illegal adj.
outlawed adj.
unconstitutional adj.

ADJECTIVE

illegal

Synonyms

STRONGEST

banned criminal illegitimate illicit irregular outlawed prohibited smuggled unauthorized unconstitutional unlawful unlicensed unwarranted wrongful

WEAK

actionable black-market bootleg contraband crooked extralegal felonious forbidden heavy hot interdicted lawless not approved outside the law proscribed prosecutable racket shady sub-rosa taboo under-the-table unofficial unwarrantable verboten violating wildcat

Antonyms

STRONGEST

authorized blessed ethical good justifiable lawful legal legitimate moral permitted right warranted

WEAK

allowed permissible

ADJECTIVE

outlawed

Synonyms

STRONGEST

banned prohibited

STRONG

bootleg crooked forbidden interdicted proscribed racket smuggled taboo violating

WEAK

actionable black-market contraband criminal extralegal felonious heavy hot illegitimate illicit irregular lawless not approved outside the law prosecutable shady sub-rosa unauthorized unconstitutional under-the-table unlawful unlicensed unofficial unwarrantable unwarranted verboten wildcat wrongful

Antonyms

STRONG

allowed

ADJECTIVE

unconstitutional

Synonyms

STRONGEST

illegitimate unlawful wrongful

WEAK

against the law banned criminal felonious forbidden illicit lawless outlawed prohibited prosecutable unauthorized violating

Antonyms

STRONGEST

authorized ethical legal

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.

See Examples For:

not legal

Parents do not have to apply for a certificate if they do not want one and the certificates are not legal documents.

From BBC ● Jun. 23, 2026

Bottom line: VPNs protect privacy, but not legal risk, so use them responsibly.

From Salon ● Jun. 10, 2026

Electric motorcycles are primarily designed for off-road riding and are not legal to use on California roadways.

From Los Angeles Times ● May 9, 2026

“The right to assistance of counsel and the correlative right to dispense with a lawyer’s help are not legal formalisms,” the court added.

From Slate ● Apr. 20, 2026

“The precedent that tipped it for me was not legal; it wasn’t a precedent of what was going on in other states. It was a scientific precedent,” he says.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

not legal

Example Sentences

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