The word define is a verb. The past tense is defined.
adverb
what part of speech is beneath
i want to know what part of speech is camping
The part of speech is a adjective
Oppose is a verb.
The word "specify" is a verb. It is used to clearly define or identify details or requirements.
It's a noun. By the way, you can just Google "define lignite" and you'll get a result telling you its definition, part of speech, and a sample sentence with it. Of course, this works for just about every word in the English language.
part of speech
The part of speech for this particular word is a noun.
(adj.) - talkative; fluent in speech
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.