The term 'Anything But' is a phrase THAT is used to express a strong preference for one thing over another. It is often used to emphasize the importance of avoiding something. The crossword solutions for this term are 'THAT' (4 letters), 'Not' (3 letters), and 'NotThat' (7 letters). 'THAT' is a pronoun used to refer to a person, place, or thing previously mentioned or easily identified. 'Not' is an adverb used to express negation or refusal. 'NotThat' is a combination of the two words, emphasizing the idea of avoiding something.