"Atall" is a contraction for the phrase "at all," which means "in any way; to any degree." Some synonyms for "atall" include "completely," "entirely," "wholly," "utterly," and "totally." Other similar words include "absolutely," "fully," "thoroughly," "exclusively," and "unconditionally." These words convey a sense of completeness or a lack of exceptions. Alternate phrases for "at all" could include "in the slightest," "in the least," or "even slightly." Regardless of the word or phrase used, all convey the same meaning of negation, indicating that something does not exist or happen in any way, shape, or form.