IPA: //səʊˈlɛsɪstɪk//
KK: /soʊˈlɛsɪstɪk/
Relating to a solecism, which is a grammatical mistake or a breach of good manners in language.
His solecistic use of language made it difficult for others to understand his point.
Solecistic → It is formed from "solecismus" (from Greek "solecismos", meaning a grammatical mistake or error in speech) and the suffix "-ic" (meaning pertaining to). The word "solecistic" refers to something that is related to or characterized by a grammatical error or mistake in language.
Think of a 'grammatical mistake' ('solecismus') to remember that 'solecistic' describes something related to errors in language.