- (grammar) A conjunction is a word that joins two other words that are the same kind as each other (two nouns, two verbs, two adjectives, etc.) or that joins two groups of words.
- The word "or" is a conjunction because it joins two other words: Tell me if you see a red or blue car.
- The word "that" is sometimes a conjunction, as in "I think that you are right."
Three common conjunctions: