onlooker

[ on-loo k-er, awn- ]
/ ˈɒnˌlʊk ər, ˈɔn- /

noun

spectator; observer; witness.

Origin of onlooker

1600–10; on + looker, after verb phrase look on
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for onlooker

British Dictionary definitions for onlooker

onlooker
/ (ˈɒnˌlʊkə) /

noun

a person who observes without taking part

Derived forms of onlooker

onlooking, adjective
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