| Term | Definition |
| article | (grammar) a determiner that may indicate the specificity of reference of a noun phrase |
| noun | Person, Place, Thing, or Idea |
| adverb | the word class that qualifies verbs or clauses |
| conjunction | something that joins or connects |
| gerund | a noun formed from a verb (such as the '-ing' form of an English verb when used as a noun) |
| adjective | the word class that qualifies nouns |
| verb | a word that serves as the predicate of a sentence |
| preposition | a function word that combines with a noun or pronoun or noun phrase to form a prepositional phrase that can have an adverbial or adjectival relation to some other word |
| pronoun | a function word that is used in place of a noun or noun phrase |
| countable | that can be counted |
| uncountable | noun that cannot be preceded by a number indicating how many (E.g. mud, water, rice, love) |
| subject | (grammar) one of the two main constituents of a sentence |
| object | (grammar) a constituent that is acted upon |
| infinitive | the uninflected form of the verb |
| prefix | an affix that added in front of the word |
| root | (linguistics) the form of a word after all affixes are removed |
| intransitive | an action verb that does not have a direct object |
| transitive | describing an action carried from subject to verb to object |
| suffix | an affix that is added at the end of the word |
| synonym | two words that can be interchanged in a context are said to be synonymous relative to that context |
| antonym | two words that express opposing concepts |
| syllable | A unit of speech heard as a single sound; one "beat" of a word or phrase. |
| slang | a characteristic language of a particular group (as among thieves) |
| colloquial | characteristic of informal spoken language or conversation |
| period | a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations |
| hyphen | a punctuation mark (-) used between parts of a compound word or between the syllables of a word when the word is divided at the end of a line of text |
| comma | a punctuation mark (,) used to indicate the separation of elements within the grammatical structure of a sentence |
| parentheses | used when you add something to a sentence like, (i do too) |
| semicolon | a punctuation mark (';') used to connect independent clauses |
| apostrophe | the mark (') used to indicate the omission of one or more letters from a printed word |