Antonyms for improper

Grammar : Adj

Spell : im-prop-er

Phonetic Transcription : ɪmˈprɒp ər

Definition of improper

Origin : mid-15c., "not true," from French impropre (14c.), from Latin improprius, from assimilated form of in- "not, opposite of" (see in- (1)) + proprius (see proper). Meaning "not suited, unfit" is from 1560s; that of "not in accordance with good manners, modesty, decency" is from 1739. Related: Improperly (late 14c.).

adj not suitable
adj vulgar, immoral

Example sentences :

For my own part, I thought pride in his case an improper subject for raillery.
Extract from : « Clarissa, Volume 1 (of 9) » by Samuel Richardson

It is also, in the present acceptation of the word, improper.
Extract from : « Female Scripture Biographies, Vol. II » by Francis Augustus Cox

Before we quit this island, it will not, perhaps, be improper to mention some things about it.
Extract from : « The History of Louisiana » by Le Page Du Pratz

I am but the son of poor parents, and may have been tempted to some things that are improper.
Extract from : « Homeward Bound » by James Fenimore Cooper

The improper connections were soon removed and others substituted.
Extract from : « Tom Swift and his Electric Runabout » by Victor Appleton

He would undoubtedly have described it as both "insanitary and improper."
Extract from : « Jan and Her Job » by L. Allen Harker

"I certainly shall do nothing so improper," returned Diana severely.
Extract from : « Cleo The Magnificent » by Louis Zangwill

It's improper; yes, you may say what you like, it's improper.'
Extract from : « His Masterpiece » by Emile Zola

But what was proper and what was improper was sorely muddled together in her brain.
Extract from : « L'Assommoir » by Emile Zola

The improper feeding of children is the great cause of infant mortality.
Extract from : « The Skilful Cook » by Mary Harrison

Synonyms for improper

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019