The term 'No Thanks' can be expressed in a variety of ways, including NAH (3 letters), PASS (4 letters), IMSET (5 letters), IPASS (5 letters), and ILLPASS (7 letters). NAH is an informal way of expressing refusal or dissent, while PASS is a more formal way of saying no. IMSET and IPASS are acronyms for 'I'm Saying No Thanks' and 'I PASS, ' respectively. Finally, ILLPASS is an acronym for 'I'll PASS.' All of these terms are used to express a polite refusal or dissent.