1
as in unlawful
contrary to or forbidden by law
it is illegal to import those birds into this country
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in foul
not being in accordance with the rules or standards of what is fair in sport
an illegal pass
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of illegal
Louisville police say anything that goes into the air or explodes is illegal for average citizens.
—
James Bruggers, The Courier-Journal, 5 July 2017
Official fireworks shows took place over the city, and illegal pyrotechnics lit up the sky everywhere in between.
—Lisa Beebe, Los Angeles Magazine, 5 July 2017
Facebook has been scrutinized for its handling of its users’ data, and social networks face fines in Germany for failing to swiftly take down hate speech and illegal content.
—Amie Tsang, New York Times, 4 July 2017
In the 1950s and 1960s, major city hospitals in the United States admitted as many as 20 to 30 women a day for complications from illegal or self-induced abortions.
—Cindy Crabb, Teen Vogue, 1 July 2017
Will Ferrell and Amy Poehler as a stuck-in-a-rut suburban couple who open an illegal casino to pay for their daughter's college tuition.
—Owen Gleiberman, chicagotribune.com, 30 June 2017
They are charged with illegal re-entry into the United States after previous deportation or removal, according to Acting U.S. Attorney Robert O. Posey and U.S. Immigrations and Customs Enforcement Special Agent in Charge Ray Parmer.
—Carol Robinson, AL.com, 30 June 2017
Trump later walked back these comments, sort of, saying that instead, doctors should be punished for providing abortions if the procedure were made illegal.
—Michael Sebastian, Cosmopolitan, 29 June 2017
A Helsinki district court on Wednesday ordered the assets of Uber's Finnish country manager be confiscated until police conclude an investigation into whether the U.S. ride-hailing firm operates an illegal taxi service in Finland.
—Reuters, Fortune, 28 June 2017
James Bruggers, The Courier-Journal, 5 July 2017
Official fireworks shows took place over the city, and illegal pyrotechnics lit up the sky everywhere in between.
—Lisa Beebe, Los Angeles Magazine, 5 July 2017
Facebook has been scrutinized for its handling of its users’ data, and social networks face fines in Germany for failing to swiftly take down hate speech and illegal content.
—Amie Tsang, New York Times, 4 July 2017
In the 1950s and 1960s, major city hospitals in the United States admitted as many as 20 to 30 women a day for complications from illegal or self-induced abortions.
—Cindy Crabb, Teen Vogue, 1 July 2017
Will Ferrell and Amy Poehler as a stuck-in-a-rut suburban couple who open an illegal casino to pay for their daughter's college tuition.
—Owen Gleiberman, chicagotribune.com, 30 June 2017
They are charged with illegal re-entry into the United States after previous deportation or removal, according to Acting U.S. Attorney Robert O. Posey and U.S. Immigrations and Customs Enforcement Special Agent in Charge Ray Parmer.
—Carol Robinson, AL.com, 30 June 2017
Trump later walked back these comments, sort of, saying that instead, doctors should be punished for providing abortions if the procedure were made illegal.
—Michael Sebastian, Cosmopolitan, 29 June 2017
A Helsinki district court on Wednesday ordered the assets of Uber's Finnish country manager be confiscated until police conclude an investigation into whether the U.S. ride-hailing firm operates an illegal taxi service in Finland.
—Reuters, Fortune, 28 June 2017
Recent Examples of Synonyms for illegal
Adjective
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Green, of Jackson Township, has been charged with murder, possession of a weapon for an unlawful purpose and unlawful possession of a weapon in connection with Reid's death, according to Billhimer.—
Charlotte Phillipp,
PEOPLE,
8 Sep. 2025
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The world’s highest court, the International Court of Justice, has ruled that there is a plausible risk of genocide in Gaza, and that Israel’s occupation and apartheid against Palestinians are unlawful.—
Zac Ntim,
Deadline,
8 Sep. 2025
Adjective
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The cards’ robust stainless-steel construction can withstand extreme handling like drops, foul weather and almost any other element that happens to come along.—
Mark Sparrow,
Forbes.com,
8 Sep. 2025
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Their journey takes a detour when her mom turns out to be a foul-mouthed truck driver, launching the trio into a cross-country odyssey filled with eccentric encounters, outrageous mishaps, and unexpected emotional revelations.—
Matt Grobar,
Deadline,
8 Sep. 2025
Adjective
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For Missouri, 2022 was such a deadly year — 43 children under the age of 18 died from the illicit drug — that former DSS director Robert Knodell created the Fentanyl Case Review Subcommittee, which was a panel of experts who studied those cases.—
Laura Bauer,
Kansas City Star,
7 Sep. 2025
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Despite being legal, the illicit market is thriving, with only 38% of the cannabis consumed in California coming from licensed growers, according to a 2024 report released by the state Department of Cannabis Control.—
Louis Casiano,
FOXNews.com,
5 Sep. 2025
Adjective
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Asking them to police a city is unfair — to them, and to the people they’re supposed to serve.—
Eric Chastain,
Twin Cities,
7 Sep. 2025
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There’s a dip after that — but this, of course, is a bit unfair as the players of this generation are continuing to pick up caps.—
Michael Cox,
New York Times,
6 Sep. 2025
Adjective
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The Office of the Inspector General launched a criminal investigation and determined the shots had been fired from where two FBI agents and an Oregon State Police officer had been standing.—
Nicole Blanchard,
Idaho Statesman,
7 Sep. 2025
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Abrego was brought back in June to face criminal charges of transporting migrants living in the United States illegally.—
Ted Hesson,
USA Today,
7 Sep. 2025
Adjective
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Sean Gardner/Getty Images This comes just weeks after Zilisch suffered a nasty fall from his car in Victory Lane at Watkins Glen, which resulted in a broken collarbone.—
Lydia Mee,
MSNBC Newsweek,
7 Sep. 2025
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Parents pushing, people cutting lines, nasty attitudes everywhere, especially outside and in Sephora.—
Toria Sheffield,
PEOPLE,
6 Sep. 2025
Cite this Entry
“Illegal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/illegal. Accessed 11 Sep. 2025.
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