giving information how, when, where about a verb, such as happily, today, well, as in smile happily, come today, feel will
word modifying a verb
Cases of word usage
1) a part of a sentence with its own subject and predicate, especially one doing the work of a noun, adjective or adverb (clause)
2) of the highest degree or quality; a form of an adjective or adverb expressing the highest degree (usually made by adding '-est' or with 'most'), such as 'happiest', 'longest', 'worst', 'most likely' (superlative)
