Unharmed means not hurt or damaged in any way. Found unharmed, escaped unharmed, returned unharmed.
It is the word everybody hopes to read in a news report, and found unharmed is the standard phrase after a search. It means physically unhurt and says nothing about anything else, which is a limitation the word quietly carries.
1adjectiveunharmedNot hurt or damaged in any way.
“The hostages were released unharmed after three days.”
unharmed is a state.
Also accepted in games: unscathed
From un- + harmed.
Etymology from Wiktionary, CC BY-SA