Improper
Improper adjective - Not appropriate for a particular occasion or situation.
Least and improper are semantically related. In some cases you can use "Least" instead an adjective "Improper".
Nearby Word: improperly
Least
Least adjective - The superlative of `little' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning smallest in amount or extent or degree.
Both words in one sentence
- Naturally, doing this with a woman whose husband isn't even cold in his grave yet is considered rather disrespectful and improper to say the least.
Source: Comforting the Widow -
Some military forces also dictate that salutes should only be used while wearing headgear and doing so while bare-headed is at least improper protocol.
Source: Military Salute
Cite this Source
Least and Improper. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/improper/least
Improper & Least. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/improper/least>.
Least or Improper. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/improper/least.
Google Ngram Viewer shows how "improper" and "least" have occurred on timeline