Illegal
Illegal adjective - Contrary to or forbidden by law.
Not allowed and illegal are semantically related in outlawed topic. In some cases you can use "Not allowed" instead the word "Illegal" as an adjective or an adverb.
Nearby Words: illegality, illegally
Not allowed
Illegal and not allowed are semantically related in prohibited topic. You can use "Illegal" instead the phrase "Not allowed" as an adjective or an adverb, if it concerns topics such as forbidden, not within the allowed limits.
Mutual synonyms
Related pairs
- crooked and illegal
- crooked and not allowed
- shady and illegal
- shady and not allowed
- unlawful and illegal
- unlawful and not allowed
- illicit and illegal
- illicit and not allowed
- prohibited and illegal
- prohibited and not allowed
- unauthorized and illegal
- unauthorized and not allowed
- proscribed and illegal
- proscribed and not allowed
Both terms in one sentence
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Unfortunately, vehicle regulations and traffic laws meant most of those flashy lights and such were either illegal or not allowed on non-emergency vehicles.
Source: The Red Stapler - As such, "extrajudicial liaisons" are illegal and Judges are not allowed to marry or raise a family.
Source: Love Is a Weakness -
Banker: Sorry, I'm not allowed to divulge information about that customer's secret illegal account.
Source: Oh Crap / Western Animation
Cite this Source
Not allowed and Illegal. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/illegal/not_allowed
Illegal & Not allowed. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/illegal/not_allowed>.
Not allowed or Illegal. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/illegal/not_allowed.
Google Ngram Viewer shows how "illegal" and "not allowed" have occurred on timeline