- concealed, hidden, out of sight - not accessible to view; "concealed (or hidden) damage"; "in stormy weather the stars are out of sight"
Antonyms: visible, seeable (indirect, via invisible)
- out of sight, out of view - no longer visible; "the ship disappeared behind the horizon and passed out of sight"
- doggo, out of sight, in hiding - quietly in concealment; "he lay doggo"