Word a day for 30 days: Day 6

Solecism

Definitions:

1. Erroneous or improper usage; absurdity.
2. (grammar) Error in the use of language.
3. In written language, the intentional use of misspelling and/or incorrect grammar to effect the vernacular of a particular dialect.
4. A faux pas or breach of etiquette; a transgression against the norms of expected behavior. 

Solecism in a sentence:

This sentence are a solecism.