Part of Speech Key
adjective
any of a class of words used to modify a noun or other substantive

noun
any of a class of words naming or denoting a person, thing, place, action, quality, etc.

verb
any of a class of words expressing action, existence, or occurrence, or used as an auxiliary or copula, and usually constituting the main element of a predicate

vi (intransitive verb)
designating a verb that does not require a direct object

vt (transitive verb)
expressing an action thought of as passing over to and having an effect on some person or thing; taking a direct object