Bursting could be several parts of speech, depending on how it is used in the sentence. It is known as a gerund, the present participle (-ing) form of a verb. A gerund can be used as a verb withing a clause, or as a noun, especially when used individually or as part of a non-finite clause in a sentence.
part of speech
Adjective
What part of speech is thaw
The part of speech for oscillate is verb.
An adjective is a part of speech.
Flickering can be a verb and a noun. Verb: The present participle of the verb 'flicker'. Noun: A short uncertain burst.
The word "rupture" can function as both a noun and a verb. As a noun, it refers to a break or tear in a structure. As a verb, it means to break or burst suddenly.
part of speech
The part of speech for this particular word is a noun.
adverb
what part of speech is beneath
The part of speech for "answer" is a noun.
The part of speech for "explicit" is an adjective.
The part of speech for "unfamiliar" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.