Dictionary definition · most
adjective
- (superlative of ‘many’ used with count nouns and often preceded by ‘the’) quantifier meaning the greatest in number"who has the most apples?"
- 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"
adverb
- used to form the superlative, greatest in size or degree"the king cobra is the most dangerous snake"
- very"a most welcome relief"
- (of actions or states) slightly short of or not quite accomplished; all but"the job is (just) about done"
Source: Open English WordNet (CC BY 4.0).