gooseflesh goo·sef·lesh uncommon noun 1. reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation Synonymspilomotor reflexgoose bumpgoose pimplegoose skinhorripilation Related words Word family horripilate Broader terms reflex WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.