The Collaborative International Dictionary of English v.0.48:
Intrude \In*trude"\, v. t. [imp. & p. p. Intruded; p. pr. &
vb. n. Intruding.]
1. To thrust or force (something) in or upon; especially, to
force (one's self) in without leave or welcome; as, to
intrude one's presence into a conference; to intrude one's
opinions upon another.
2. To enter by force; to invade. [Obs.]
Why should the worm intrude the maiden bud? --Shak.
3. (Geol.) The cause to enter or force a way, as into the
crevices of rocks.
Syn: To obtrude; encroach; infringe; intrench; trespass. See