The word "none" means nothing or not any. Some synonyms for "none" are zero, null, nil, nada, zilch, nothing at all, no such thing, and not a single one. These words are commonly used to describe a lack of something or when there is no amount or quantity present. For example, if someone asks how many cookies are left, and the answer is "none," it means there are no cookies left. Another example would be, if someone says, "I have received no letters or emails today," it means none were received. These synonyms for "none" can be used interchangeably and can add variety to your writing or speech.