What are the opposite words for valid?

Valid is a common word used to describe something that is true, legal, or acceptable. It is often used in various contexts, such as in legal, academic, or scientific settings. However, there are several antonyms, or opposite words, for the term valid. Some of the most common antonyms include invalid, false, illegitimate, unacceptable, and untrue. These terms can be used to describe situations or arguments that are not based on sound reasoning, facts, or evidence, and are therefore not considered valid. It is important to be aware of antonyms for the word valid to better understand various arguments or claims made in different settings.

Antonym of the day

split down the middle
combine, join.