the GNU version of the Collaborative International Dictionary of English
n. The act of obtruding; a thrusting upon others by force or unsolicited.
n. That which is obtruded.
The Century Dictionary and Cyclopedia
n. The act of obtruding; an undue and unsolicited thrusting forward of something upon the notice or attention of others, or that which is obtruded or thrust forward: as, the obtrusion of crude opinions on the world.
Word Usage
"I have no right to mar the great end of a great history, by any obtrusion of my own weak self."