It's a doing or action word. For example… The verb in that sentence is 'ate'. An adverb is a word that describes the verb. The adverb in this sentence is 'quickly'. It tells us how Zak ate his ...

Adverbs are words that modify verbs, adjectives or other adverbs. ‘Farmer Frank drives carefully.’ ‘Carefully’ is an adverb describing ‘drives’. It tells us how Farmer Frank drives.