Dictionary definition of most Adjective. Superlative of many, much. 1. a. Greatest in number: won the most votes. b. Greatest in amount, extent, or degree: has the most compassion. 2. In the greatest number of instances: Most fish have fins. As a noun. 1. The greatest amount or degree: She has the most to gain. 2. Slang The greatest, best, or most exciting. Used with the: That party was the most! As a pronoun. (used with a singular. or plural.verb) The greatest part or number: Most of the town was destroyed. Most of the books were missing. As an adverb. Superlative of much. 1. In or to the highest degree or extent. Used with many adjectives and adverbs to form the superlative degree: most honest; most impatiently. 2. Very: a most impressive piece of writing. 3. Informal Almost: Most everyone agrees. As an Idiom: at (the) most At the maximum: We saw him for ten minutes at the most. She ran two miles at most.

Jura did a thorough job of defining "most," so I'll just answer the second half of your question. EXAMPLES OF QUESTIONS 1. (noun) Who has THE MOST? (Situation: We just finished playing the word game Scrabble and have added up our points.) 2. (adjective) Who has THE MOST MONEY? 3. (adverb) Who is THE MOST BEAUTIFUL girl in El Salvador? (since you're from El Salvador)