definition of preposition in english
Definition. In English grammar, a preposition is a word (one of the parts of speech and a member of a closed word class) that shows the relationship between a noun or pronoun and other words in a sentence.See the lists of simple prepositions and deverbal prepositions below.efinition. In English grammar, a preposition is a word (one of the parts of speech and a member of a closed word class) that shows the relationship between a noun or pronoun and other words in a sentence. See the lists of simple prepositions and deverbal prepositions below.