"rubberneck" in the noun sense
1. sightseer, excursionist, tripper, rubberneck
a tourist who is visiting sights of interest
2. rubberneck, rubbernecker
a person who stares inquisitively
"rubberneck" in the verb sense
1. rubberneck
strain to watch stare curiously
"The cars slowed down and the drivers rubbernecked after the accident"
Source: WordNet® (An amazing lexical database of English)
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