The adj most has 2 senses (first 2 from tagged texts)
1. (79) most -- ((superlative of `many' used with count nouns and often preceded by `the') quantifier meaning the greatest in number; "who has the most apples?"; "most people like eggs"; "most fishes have fins")
2. (26) most -- (the superlative of `much' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning the greatest in amount or extent or degree; "made the most money he could"; "what attracts the most attention?"; "made the most of a bad deal")
Overview of adv most
The adv most has 3 senses (first 3 from tagged texts)
1. (180) most, to the highest degree -- (used to form the superlative; "the king cobra is the most dangerous snake")
2. (63) most -- (very; "a most welcome relief")
3. (1) about, just about, almost, most, all but, nearly, near, nigh, virtually, well-nigh -- ((of actions or states) slightly short of or not quite accomplished; "the job is (just) about done"; "the baby was almost asleep when the alarm sounded"; "we're almost finished"; "the car all but ran her down"; "he nearly fainted"; "talked for nigh onto 2 hours"; "the recording is well-nigh perfect"; "virtually all the parties signed the contract"; "I was near exhausted by the run"; "most everyone agrees")