doubleness noun2 •The state of being double or doubled.And of Zabulon that went out to the battayle and proceded forth to the war, with all maner of instrumentes of war fyftie M. that were prepared to the war, without any doublenesse of herte. — 1540 •Behaviour intended to deceive people.It is clear to you, I hope, that Stephen was not a hypocrite—capable of deliberate doubleness for a selfish end; […] — 1860 formsdoublenesses