spectator UK /spɛkˈteɪtə/US /ˈspɛkteɪtɚ/noun 2forms 1phrases 1 noun2 •One who watches an event; especially, an event held outdoors.The cheering spectators watched the fireworks. •One who observes, sees, or views something; an observer. formsspectators Phrases with spectator spectator sportA sporting activity which has a relatively high ratio of watchers to direct participants.