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What is another word for illegal?

Need synonyms for illegal? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Contrary to or forbidden by law, especially criminal law

Not in accordance with standards of honor, decency or fair play

Not having the required legal documents

Very disgusting, dirty or unpleasant

Lacking in accuracy or truth

Unwarranted or inappropriate due to being excessive or disproportionate

Engaged in piracy or plunder

Describing offenses or actions subject to penalties, fines, or retributions

Worthless or invalid

… more ▼

Adjective

Contrary to or forbidden by law, especially criminal law

unauthorised^UK

unauthorized^US

unconstitutional

against the law

under-the-table

under-the-counter

under the counter

outside the law

under the table

dishonourable^UK

dishonorable^US

against the rules

contrary to law

in violation of law

illegally obtained

insurrectionary

without law and order

more ❯

“Coulson had resigned as the paper's editor following the conviction of a reporter in relation to illegal phone hacking, although stating that he knew nothing about it.”

Adjective

Not in accordance with standards of honor, decency or fair play

unsportsmanlike

dishonorable^US

dishonourable^UK

against the rules

double-crossing

cloak-and-dagger

under-the-table

against the law

under the counter

under the table

under-the-counter

hole-in-the-corner

in holes and corners

behind-the-scenes

hole-and-corner

unconscientious

not to be trusted

of dubious character

potentially illegal

not to be depended on

intentionally misleading

like a snake in the grass

not entirely truthful

terminologically inexact

economical with the truth

not trustworthy

all talk and no action

not to be relied upon

not quite right

crazy like a fox

gone to the dogs

playing politics

not straightforward

snake in the grass

lacking sincerity

with tongue in cheek

nimble-fingered

sticky-fingered

more ❯

“He was penalized by the umpire for an illegal tackle.”

Adjective

Not having the required legal documents

unauthorised^UK

unauthorized^US

unsubstantiated

unauthenticated

“As an illegal resident, you can easily be exploited by a variety of ruthless persons, not the least of whom might be your landlord.”

Adjective

Very disgusting, dirty or unpleasant

unfit for human consumption

more ❯

Adjective

Lacking in accuracy or truth

unsubstantiated

wide of the mark

wrongly inferred

without foundation

not backed up by evidence

without justification

not trustworthy

without substantiation

out of commission

on the wrong track

open to question

hard to believe

more ❯

Adjective

Unwarranted or inappropriate due to being excessive or disproportionate

disproportionate

unfavourable^UK

lacking in propriety

against the rules

beyond the pale

contrary to the rules

disadvantageous

not good enough

out of character

uncomplimentary

inappropriate to

mutually exclusive

beside the point

nothing to do with it

neither here nor there

not designed for

not up to scratch

out of its element

not up to snuff

out of place with

out of character with

sticking out a mile

standing out a mile

like a fish out of water

not good enough for

whale of difference

more ❯

Adjective

Engaged in piracy or plunder

Adjective

Describing offenses or actions subject to penalties, fines, or retributions

Adjective

Worthless or invalid

not what it is cracked up to be

more ❯

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illegalizations

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What is the opposite of illegal?
Sentences with the word illegal
Words that rhyme with illegal
What is the plural of illegal?
What is the adverb for illegal?
What is the adjective for illegal?
What is the noun for illegal?
Translations for illegal
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Nearby Words

illegal activities

illegal combatant

illegal combatants

I'll do what I want

7-letter Words Starting With

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