Harmful
Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Harmful and improper are semantically related. Sometimes you can use "Harmful" instead an adjective "Improper".
Nearby Word: improperly
Both words in one sentence
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Demolition Man takes place in a strange future where everything improper has been completely scrubbed out of society, including anything that could possibly be offensive or harmful.
Source: Political Correctness Gone Mad
Cite this Source
Improper and Harmful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/harmful/improper
Harmful & Improper. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/harmful/improper>.
Improper or Harmful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/harmful/improper.
Google Ngram Viewer shows how "harmful" and "improper" have occurred on timeline