👉 Unvalidity is a concept in linguistics that refers to the lack of meaning or coherence between two words, phrases, or sentences. It occurs when there are grammatical errors or when the meanings of two words do not correspond exactly. The term originates from Latin "un-" which means "without" or "not," and "validity," which is derived from "validus." In other words, unvalidity refers to a situation where one word does not match another, making it difficult
