Definitions

1. adverb

at an unspecified or uncertain place or location

“I’m not sure where it is, but I think it’s somewhere near the park.”

2. noun

a place or location that is not specified

“Somewhere in the city, a new restaurant just opened.”

3. pronoun

a place or location that is not specified, often used as an indefinite pronoun

“Somewhere, I left my keys; can someone help me find them?”