Definition of "prep"

(countable) Preparation.  examples

Abbreviation of preposition.  examples

(informal, countable) A prep school.  examples

(informal, countable) A student or graduate of a prep school, a preppy.  examples

(Britain, uncountable) Homework, work set to do outside class time, used widely in public schools and preparatory schools but not state schools.  examples

(Australia) Nursery school; preschool.  examples

(Philippines) Preparatory level; the last two levels or the fourth and fifth years of preschool; the two levels before first grade.  examples

Alternative form of PrEP  examples

(informal) To prepare.  examples