lorn UK /lɔːn/US /lɔɹn/ adjective2 •(no longer used) Abandoned, forlorn, lonely.I loue thilke lasse, (alas why do I loue:) / And am forlorne, (alas why am I lorne:) / Shee deignes not my good will, but doth reproue, / And of my rurall musick holdeth scorne. — 1579 •(no longer used) Doomed; lost. formslorner · more lorn · lornest · most lorn