looker-on

[ loo k-er-on, -awn ]
/ ˌlʊk ərˈɒn, -ˈɔn /

noun, plural look·ers-on.

a person who looks on; onlooker; witness; spectator.

Origin of looker-on

1530–40; look on + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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