| Term | Definition |
| Adjective | A word or combination of words that modifies a noun (blue-green, central, half-baked, temporary ). |
| Adverb | A word that modifies a verb, an adjective, (slowly, obstinately, much ). |
| article | Any of three words used to signal the presence of a noun. A, An, Then |
| conjunction | A word that connects other words, phrases, or sentences (fanboys ). |
| interjection | A word, phrase, or sound used as an exclamation and capable of standing by itself (oh, Lord, damn, my goodness ). |
| noun | A word or phrase that names a person, place, thing, quality, or act (Fred, New York, table, beauty, execution ). |
| preposition | A word or phrase that shows the relationship of a noun to another noun (at, by, in, to, from, with ) |
| pronoun | A word that substitutes for a noun and refers to a person, place, thing, idea, or act that was mentioned previously or that can be inferred from the context of the sentence (he, she, it, that ). |
| verb | A word or phrase that expresses action, existence, or occurrence (throw, be, happen ). can be transitive, requiring an object (her in I met her ), or intransitive, requiring only a subject (The sun rises ). Some, like feel , are both transitive (Feel the fabric ) and intransitive (I feel cold , in which cold is an adjective and not an object). |
| Antecedent | A noun to which a pronoun refers (Mary paid her fee on Monday) |
| modifier | a word, clause, phrases that defines the meaning of a word |
| Object | follows and receives the action of the word |
| Subject | expresses the person speaking, the person spoken to, the person or thing spoken about |