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noun aggression, attack, encroachment, forced entrance, importunitas, imposition, incursion, infringement, interference, interloping, interruption, invasion, irruption, meddling, obtrusion, uninvited attendance, uninvited entry, unlawful entry, unwelcome suggestion
Associated concepts: intrusion of rights, right of privacy, trespass
See also: assault, disturbance, encroachment, incursion, infringement, interference, interruption, intervention, invasion, molestation, nuisance, onset

INTRUSION, estates, torts. When an ancestor dies seised of an estate of inheritance expectant upon an estate for life, and then the tenant dies, and between his death and the entry of the heir, a stranger unlawfully enters upon the estate, this is called an intrusion. It differs from an abatement, for the latter is an entry into lands void by the death of a tenant in fee, and an intrusion, as already stated, is an entry into land void by the death of a tenant for years. F. N. B. 203 3 Bl. Com. 169 Archb. Civ. Pl. 12; Dane's Ab. Index, h. t.

INTRUSION, remedies. The name of a writ, brought by the owner of a fee simple, &c., against an intruder. New Nat. Br. 453.

References in classic literature ?
it is bad enough to intrude in this way, and I do not know what you can say or think of the time selected, for the intrusion.
It was plain that for some reason or other she had not wished him to visit her, and he felt his call to be somewhat of an intrusion.
Henry Tilney," with the embarrassment of real sensibility began to apologize for his appearance there, acknowledging that after what had passed he had little right to expect a welcome at Fullerton, and stating his impatience to be assured of Miss Morland's having reached her home in safety, as the cause of his intrusion.
Though the conversation was very incoherent and Vera was angry at the intrusion of the masculine element, both husband and wife felt with satisfaction that, even if only one guest was present, their evening had begun very well and was as like as two peas to every other evening party with its talk, tea, and lighted candles.
I must apologize," the newcomer said, "for my intrusion.
Her assumption of equality with him was disconcerting, and at times he half-consciously resented the impudence and bizarreness of her intrusion upon him--rising out of the sea in a howling nor'wester, fresh from poking her revolver under Ericson's nose, protected by her gang of huge Polynesian sailors, and settling down in Berande like any shipwrecked sailor.
They resented Michael's intrusion on the instant, spitting, lashing their long tails, and crouching to spring.
I beg to apologise for my intrusion, Miss Lockwood.
We are not content with merely thanking him; we naturally attempt to apologize for our intrusion.
I spoke to him pleasantly, apologizing for my intrusion, but he took no notice of me.
All right," Holker said; "we will go and view the ground," and he added, in the words of a once favorite inscription for tombstones: "'where you must shortly lie'--I mean, if old Branscom ever gets tired of you and your impertinent intrusion.
The man shook his head in silent and sorrowful disapproval of our intrusion when Mr.