DictionaryprepositionGrammatical relation
noun

preposition

prep-uh-ZISH-un/ˌprepəˈzɪʃn/

A word, such as in or with, that shows how a noun phrase relates to another part of a sentence.

The preposition under relates the cat's position to the chair.

A cat sits under a simple wooden chair.
Etymology

“Before” plus “a placing” describes the word’s grammatical position: it was named for being placed before a noun while showing that noun’s relation to another word.

In context

Laura McGarrity4:32
the basic uses of preposition seem to be to express spatial relations among objects
On the meaning of prepositions

More examples

  • She replaced one preposition to clarify the sentence.
  • The class practiced phrases beginning with a preposition.
  • In the phrase with a smile, with is a preposition.

Forms

preposition · prepositions

Similar words

conjunction
A conjunction connects words or clauses; a preposition expresses a relationship involving its object.
adverb
An adverb modifies a verb, adjective, or other expression; a preposition usually introduces a noun phrase.