n. [ L. obtrusio. See Obtrude. ] 1. The act of obtruding; a thrusting upon others by force or unsolicited; as, the obtrusion of crude opinions on the world. [ 1913 Webster ]

2. That which is obtruded. Milton. [ 1913 Webster ]

n. One who practices or excuses obtrusion. [ R. ] Gent. Mag. [ 1913 Webster ]