an adverb is a word that modifies or describes a verb, an adjective, another adverb, a phrase, or a clause. In the case of ‘slowly’, it is used to modify and describe how something is done. It is used to indicate that the action happened at a pace that was slower than usual.
1. She walked slowly down the hall.
2. He slowly placed the glass onto the counter.
3. She had been talking for several minutes before she slowly opened her eyes.
the word ‘slowly’ should be placed close to the verb that it is modifying or describing. If the word is used to describe a continuous action or one that is still going on, then it should be followed by the word ‘-ing’. The adjective form of ‘slowly’ is ‘slow’.