No, “middle” is not a preposition. It is primarily a noun and can also function as an adjective.

Uses of “Middle”:

  1. As a Noun (Referring to the central part of something)
    • The restaurant is in the middle of the city.
    • He placed the dish in the middle of the table.
  2. As an Adjective (Describing something located at or related to the center)
    • The middle seat is taken.
    • She arrived in the middle part of the event.

Why “Middle” Is Not a Preposition

  • Prepositions (e.g., in, on, under, about) show relationships between words.
  • “Middle” does not function as a linking word between nouns; instead, it is a noun that can be used in prepositional phrases (e.g., “in the middle of”).

Thus, “middle” is a noun or adjective, not a preposition.