expire
     v 1: lose validity; "My passports expired last month" [syn: {run
          out}]
     2: pass from physical life and lose all all bodily attributes
        and functions necessary to sustain life; "She died from
        cancer"; "They children perished in the fire"; "The
        patient went peacefully" [syn: {die}, {decease}, {perish},
         {go}, {exit}, {pass away}, {pass}] [ant: {be born}]
     3: expel air; "Exhale when you lift the weight" [syn: {exhale},
         {breathe out}] [ant: {inhale}]
Source: WordNet® 2.0