a person who is a student at or a graduate of a preparatory school.
a person who favors or is viewed as favoring clothing style or behavior associated with traditional preparatory schools.
of, relating to, or characteristic of preparatory schools or their students.
of, pertaining to, characteristic of, or being a style in dress or mode of behavior of a preppy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for preppy
characteristic of or denoting a fashion style of neat, understated, and often expensive clothes; young but classic: suggesting that the wearer is well off, upper class, and conservative
a person exhibiting such style
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012