Look here: http://www.usingenglish.com/glossary.html or click Grammar Glossary on the left side of this web page.
Definition And How Do I Know If Its One Of The Following.. :)
Noun -:
Verb-:
Adverb-:
Adjective-:
Look here: http://www.usingenglish.com/glossary.html or click Grammar Glossary on the left side of this web page.
Noun: person, place or thing. Functions as a subject or as an object.
Verb: action or state. Changes form in person and tense.
Adverb: modifies a verb or an adjective. Answers the questions why, how, when, where?
Adjective: modifies a noun. Answers the question what kind of? Can come either before a noun or after a noun.