Adjective
not grieved for; causing no mourning
Source: WordNetThus let me live, unseen, unknown; Thus unlamented let me dye; Steal from the world, and not a stone Tell where I lye. Alexander Pope
Lo these were they, whose souls the Furies steel'd, And curs'd with hearts unknowing how to yield. Thus unlamented pass the proud away, The gaze of fools, and pageant of a day! So perish all, whose breast ne'er learn'd to glow For others' good, or melt at others' woe. Alexander Pope
I gather from the pattern of her flinches that the late unlamented Tien Vorsoisson was one of those subtle feral parasites who leave their mates scratching their heads and asking, "Am I crazy? Am I crazy?" Lois McMaster Bujold
interred in an unlamented grave Source: Internet