solecism

IPA: sˈoʊɫɪsɪzʌm

An erroneous or improper usage.
(grammar) Error in the use of language.
(by extension) A faux pas or breach of etiquette; a transgression against the norms of expected behavior.

Examples of "solecism" in Sentences

The professor pointed out the solecism in the student's grammar, causing her to blush in embarrassment
Making a solecism in etiquette at the formal dinner party left him feeling awkward and out of place
Despite his intelligence, he often made solecisms in conversation due to his lack of social skills
The writer's use of archaic language in modern literature was seen as a solecism by literary critics
Avoiding solecisms in speech is important for maintaining professionalism in the workplace