solecize

/ˈsɑlɪsaɪz/
verb
  1. To make a grammatical mistake or use language in a way that breaks the rules of grammar or polite speech.
    • If you solecize in a job interview, it might hurt your chances.
    • Even careful speakers sometimes solecize when they are nervous.
    • The student tried to sound formal but ended up solecizing in front of the whole class.
  2. To commit a social blunder or act in a way that violates accepted manners or customs.
    • She worried she would solecize when meeting the ambassador for the first time.
    • It is easy to solecize when you are unfamiliar with local traditions.
    • At the formal dinner, he solecized by using the wrong fork for his salad.
Antonyms