MOST MINUTE is a term used to describe something that is extremely small or insignificant. The crossword solutions for this term are WEEST (5 letters), TINIEST (7 letters), and LEAST (5 letters). WEEST is an adjective meaning very small, while TINIEST is an adverb meaning in the smallest degree. LEAST is an adjective meaning the smallest amount or degree. All three words can be used to describe something that is extremely small or insignificant.