It is an adjective since it is describing how many of someting. It is not a place, person or thing so it isn't a noun and isn't an action so it isn't a verb.
Pets can be a plural noun or a verb. It is a plural noun in "How many pets do you have?" It is a verb in "See how gently he pets the cat."
"Volunteer" can be used as both a noun and a verb. As a noun, it refers to a person who freely offers to do something. As a verb, it means to offer to do something without being forced or receiving payment.
The form of using a noun as a verb is called nominalization. This involves transforming a noun into a verb to convey an action or process. It is a common linguistic technique that expands the vocabulary and flexibility of a language.
Like many English words, "heat" can be either a noun or a verb. As a noun, heat is a form of energy. As a verb, heating is the action of making something hotter.
The noun 'is' is a verb, a form of the verb 'to be'. The verb 'is' functions as an auxiliary verb and a linking verb.
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
"Judge" can function as both a verb and a noun. As a verb, it refers to forming an opinion or decision about something. As a noun, it refers to a person who presides over a court of law or to someone who assesses or evaluates a situation.
noun
Matter is a noun and a verb. As a noun: This is no laughing matter. As a verb: Love and happiness matter to many people.
Matter is a noun and a verb. As a noun: This is no laughing matter. As a verb: Love and happiness matter to many people.
A roar is a noun. To roar is a verb.
Training is a noun and a verb. Noun: e.g. activity of acquiring skills. Verb: present participle of the verb 'train'.