perdu

1. (obsolete, military) Stationed in an exposed or hazardous position; hidden in ambush. Originally as sentinel perdu.Examples: "a perdue captain"not-comparableobsolete

2. (now rare) In a dangerous situation; lost, desperate.Examples: "Among certain grizzled sea-gossips of the gun decks and forecastle went a rumor perdue […]"archaicnot-comparable

3. (now rare) Hidden; concealed from sight. Chiefly with lie.Examples: "He should lie Perdue who is to walk the round."; "I stood perdu behind Mr Grimbold; a tall personage, whose broad shoulders, however, just permitted me to peep over at the Major, who had not yet espied me."archaicnot-comparable