v. i. [ L. intrudere, intrusum; pref. in- in + trudere to thrust, akin to E. threat. See Threat. ] To thrust one's self in; to come or go in without invitation, permission, or welcome; to encroach; to trespass; as, to intrude on families at unseasonable hours; to intrude on the lands of another. [ 1913 Webster ]

Thy wit wants edge
And manners, to intrude where I am graced. Shak. [ 1913 Webster ]

Some thoughts rise and intrude upon us, while we shun them; others fly from us, when we would hold them. I. Watts. [ 1913 Webster ]

v. t. [ imp. & p. p. Intruded; p. pr. & vb. n. Intruding. ] [ 1913 Webster ]

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. [ 1913 Webster ]

2. To enter by force; to invade. [ Obs. ] [ 1913 Webster ]

Why should the worm intrude the maiden bud? Shak. [ 1913 Webster ]

3. (Geol.) The cause to enter or force a way, as into the crevices of rocks.

Syn. -- To obtrude; encroach; infringe; intrench; trespass. See Obtrude. [ 1913 Webster ]

p. a. (Geol.) Same as Intrusive. [ 1913 Webster ]

n. 1. One who intrudes; one who thrusts himself in, or enters without right, or without leave or welcome; a trespasser. [ 1913 Webster ]

They were all strangers and intruders. Locke. [ 1913 Webster ]

2. Specifically: A person who enters a private residence or place of business with the intention to perform a criminal act; as, killed by an intruder. [ PJC ]

n. A female intruder. [ 1913 Webster ]

v. t. To inclose as in a trunk; to incase. [ R. ] Ford. [ 1913 Webster ]

n. [ Cf. F. intrusion. See Intrude. ] [ 1913 Webster ]

1. The act of intruding, or of forcing in; especially, the forcing (one's self) into a place without right or welcome; encroachment. [ 1913 Webster ]

Why this intrusion?
Were not my orders that I should be private? Addison. [ 1913 Webster ]

2. (Geol.) The penetrating of one rock, while in a plastic or metal state, into the cavities of another. [ 1913 Webster ]

3. (Law) The entry of a stranger, after a particular estate or freehold is determined, before the person who holds in remainder or reversion has taken possession. [ 1913 Webster ]

4. (Scotch Ch.) The settlement of a minister over a congregation without their consent. [ 1913 Webster ]

a. Of or pertaining to intrusion. [ 1913 Webster ]

n. One who intrudes; especially, one who favors the appointment of a clergyman to a parish, by a patron, against the wishes of the parishioners. [ 1913 Webster ]

a. Apt to intrude; characterized by intrusion; entering without right or welcome. [ 1913 Webster ]

Intrusive rocks (Geol.), rocks which have been forced, while in a plastic or melted state, into the cavities or between the cracks or layers of other rocks. The term is sometimes used as equivalent to plutonic rocks. It is then contrasted with effusive or volcanic rocks.

-- In*tru"sive*ly, adv. -- In*tru"sive*ness, n. [ 1913 Webster ]

v. t. [ imp. & p. p. Intrusted, p. pr. & vb. n. Intrusting. ] To deliver (something) to another in trust; to deliver to (another) something in trust; to commit or surrender (something) to another with a certain confidence regarding his care, use, or disposal of it; as, to intrust a servant with one's money or intrust money or goods to a servant.

Syn. -- To commit; consign; confide. See Commit. [ 1913 Webster ]