One of the groups that words are divided into, for example noun, verb, adjective, etc.

Noun

Ashoka, king, Delhi, city, rose, sun, gold, class, honesty, policy...

Pronoun

he, she, it, they, this, that, these, those...

Adjective

Beautiful, Tall, Happy, Intelligent, Brave, Kind, Generous, Funny...

Verb

run, eat, write, kill, go, is, are, has, had...

Adverb

Quickly, Slowly, Carefully, Happily, Loudly, Quietly, Well, Badly, Easily...

Preposition

in, on, at, with, of, to, for, upon, over, under, by...

Conjunction

And, But, Or, Nor, So, Yet, For, Because, Although, Though...

Interjection

Wow, Oh, Ouch, Ah, Oops, Yay, Hurray, Alas, Bravo, Phew, Hey...