Ir`re*sist"i*ble (?), a. [Pref. ir- not + resistible: cf. F. irr'esistible.]
That can not be successfully resisted or opposed; superior to opposition; resistless; overpowering; as, an irresistible attraction.
An irresistible law of our nature impels us to seek happiness.
J. M. Mason.
© Webster 1913.