(grammar) Also called qualifier. a word or phrase that qualifies the sense of another word; for example, the noun alarm is a modifier of clock in alarm clock and the phrase every day is an adverbial modifier of walks in he walks every day
A word or group of words that describes or limits a verb, noun, adjective, or adverb. Modifiers applied to nouns are adjectives. Modifiers applied to verbs or adjectives are adverbs. Those that are applied to adverbs themselves are also called adverbs.