void
     adj 1: lacking any legal or binding force; "null and void" [syn: {null}]
     2: containing nothing; "the earth was without form, and void"
     n 1: the state of nonexistence [syn: {nothingness}, {nullity}]
     2: an empty area or space; "the huge desert voids"; "the
        emptiness of outer space"; "without their support he'll be
        ruling in a vacuum" [syn: {vacancy}, {emptiness}, {vacuum}]
     v 1: declare invalid; "The contract was annulled"; "void a plea"
          [syn: {invalidate}, {annul}, {quash}, {avoid}, {nullify}]
          [ant: {validate}]
     2: clear (a room, house, place) of occupants or empty or clear
        (a place, receptacle, etc.) of something; "The chemist
        voided the glass bottle"; "The concert hall was voided of
        the audience"
     3: take away the legal force of or render ineffective;
        "invalidateas a contract" [syn: {invalidate}, {vitiate}]
        [ant: {validate}]
     4: excrete or discharge from the body [syn: {evacuate}, {empty}]
Source: WordNet® 2.0