What's the difference between intrude and invade?

Intrude


Definition:

  • (v. i.) 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.
  • (v. t.) 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.
  • (v. t.) To enter by force; to invade.
  • (v. t.) The cause to enter or force a way, as into the crevices of rocks.

Example Sentences:

  • (1) Each test was recorded using a video TV monitor system, and at a later time several behavioral elements shown by both resident and intruder mice were measured.
  • (2) The monkey brain (Macaca fascicularis) also accumulates P and D. Adrenal suppression with dexamethasone for 4 days does not decrease the concentrations of brain P and 3rd ventricle CSFP and D. The concentrations of brain D are decreased to a much smaller extent than plasma D. D inhibits the aggressive behavior of castrated male mice exposed to lactating female intruders.
  • (3) Aggressive behavior was evoked by introducing a group-housed male mouse (intruder) into the home cage of the isolated or nonisolated mouse (resident).d-Amphetamine, methamphetamine, methylphenidate, cocaine, and L-dopa decreased attack and threat behavior by resident mice, the isolates requiring 2--4 times higher drug doses for the antiaggressive effects than the nonisolates, d-Amphetamine, methamphetamine, and methylphenidate caused intruder mice to be more frequently attacked by their non-treated resident opponents, to escape more often, to assume the defensive upright posture less, and to move about more often.
  • (4) The test was briefly interrupted by a woman (intruder).
  • (5) As a first step in these processes, an enhanced chemotactic activity can attract neutrophils to the bronchial lumen, where they help by cleaning the lungs from possible dangerous intruders, but can also cause damage to the normal lung architecture.
  • (6) If we drive politicians down the road to ever greater disclosure, how can we resist the demands of the home secretary, Theresa May, that her security mafia intrude ever further into our private lives?
  • (7) This immune reaction is an attempt to change the histotypic pattern of the intruder.
  • (8) Sitting in the Khartoum restaurant as the fierce late-afternoon sun intrudes through the windows, Lubna dismisses the notion that western praise might be a drawback in a country like Sudan.
  • (9) Still, the legacy of genocide continued to intrude.
  • (10) The US secret service allowed an armed man with an arrest record to enter an elevator with president Barack Obama, it was disclosed on Tuesday, hours after officials admitted they missed three chances to deter an intruder who broke into the White House earlier this month.
  • (11) "The longer this intrusion persisted it became clear to the authorities that the intruders had no intention to leave Sabah," Najib said.
  • (12) The cytotrophoblast was restricted to the blastocoel, whilst syncytiotrophoblast intruded to the endometrial basal lamina.
  • (13) Having narrowly avoided taking the state into the realm of a free press we should not be intruding on the freedom of worship that is the proper preserve of the church not the courts."
  • (14) Dehydroepiandrosterone (DHA) and 3 beta-methyl-androst-5-en-17-one (CH3-DHA) suppress attacks by castrated male mice towards lactating female intruders (Haug et al.
  • (15) In general, the Private Office will need to know where the Minister will be (for security purposes) and how to maintain contact; apart from this, the Private Office should not intrude on the Minister's personal free time.
  • (16) The state tried to prove that Pistorius was aware that it was Steenkamp behind the toilet door but the judge accepted the defence's claims that he thought it was an intruder.
  • (17) There is a difference between grabbing a bedside lamp and whacking an intruder because you are worried about the children and hitting someone and then stabbing them 17 times," one source said.
  • (18) The dorsal raphé-lesioned rats showed significantly fewer interactions of all kinds, compared with control rats when an intruder was placed in their home cages.
  • (19) These intruding striated muscle fibres also received direct autonomic (mostly adrenergic) innervation.
  • (20) "He just looked at me and he said, 'I thought it was an intruder'."

Invade


Definition:

  • (v. t.) To go into or upon; to pass within the confines of; to enter; -- used of forcible or rude ingress.
  • (v. t.) To enter with hostile intentions; to enter with a view to conquest or plunder; to make an irruption into; to attack; as, the Romans invaded Great Britain.
  • (v. t.) To attack; to infringe; to encroach on; to violate; as, the king invaded the rights of the people.
  • (v. t.) To grow or spread over; to affect injuriously and progressively; as, gangrene invades healthy tissue.
  • (v. i.) To make an invasion.

Example Sentences:

  • (1) Ukip and the Greens are beneficiaries of this new political reality – as, arguably, is the SNP as it prepares to invade Labour’s heartland in Scotland next May.
  • (2) In cancer of the pancreas head, cancer cells could invade the portal vein and perineural space of the celiac plexus, and metastasize to regional lymph nodes around the celiac axis.
  • (3) It is apparent that in the development of reactive arthritis the patient fails in his first line of defence against the invading microorganism.
  • (4) All three parasite lines required sialic acid for optimal invasion, but Thai-2 parasites cultured in Tn erythrocytes invaded neuraminidase-treated erythrocytes with 45% efficiency whereas Camp parasites invaded neuraminidase-treated erythrocytes with less than 10% efficiency.
  • (5) The conclusion is that AIDS has invaded Taiwan, but the prevalence of the HIV infection is presently low.
  • (6) They have similar axon trajectories into the thoracic ganglia, where they invade functionally related neuropils.
  • (7) Worms had invaded the bile duct in 51 patients, the pancreatic duct in four and both ducts in four.
  • (8) Dictated by underlying physicochemical constraints, deceived at times by the lulling tones of the siren entropy, and constantly vulnerable to the vagaries of other more pervasive forms of biological networking and information transfer encoded in the genes of virus and invading microorganisms, protein biorecognition in higher life forms, and particularly in mammals, represents the finely tuned molecular avenues for the genome to transfer its information to the next generation.
  • (9) Survival rates after curative gastrectomy for advanced gastric cancer among 238 patients in whom the cancer was invading the serosa were compared with 283 patients without serosal invasion.
  • (10) The immune system has evolved to protect an organism from the pathogens that invade it but the effector mechanisms involved in mediating this protection are potentially lethal to the host itself.
  • (11) In this report, it will be stressed that when clival chordoma invades intradually, subtemporal approach will be most favorable, and metrizamide CT cisternography is one of the useful diagnostic procedures of retroclival mass.
  • (12) On 21 August 1968, armies of five Warsaw Pact countries – the Soviet Union, Poland, Hungary, Bulgaria and East Germany – invaded Czechoslovakia to crush democratic reforms known as the Prague spring.
  • (13) He had undergone pelvic exenteration with the ureterostomy for rectal cancer invading the bladder five months previously and retrograde ureteric catheters were inserted bilaterally into the ureters.
  • (14) The Sunni, driven from power and office by the invaders, were unwilling to accept their newly diminished status.
  • (15) Pterygia, triangular sheets of fibrovascular tissue that invade the cornea, have recurrence rates of 30% to 50% with currently available surgical procedures.
  • (16) Infections of Leishmania mexicana in cultured normal mouse peritoneal macrophages show different morphological features depending on whether the parasites invade as promastigote or amastigote forms.
  • (17) The interstitium between alveoli is invaded with lymphocytes, macrophages, plasma cells and fibroblasts.
  • (18) The hypoxic fraction increased dramatically when these tumours invaded the subcutaneous tissues, or when tumours were implanted subcutaneously (TCD50 greater than 5,544 rad).
  • (19) "Russia has invaded a sovereign neighbouring state and threatens a democratic government elected by its people.
  • (20) This report presents a patient with a tumor of the splenic flexure invading the diaphragm, greater curvature of the stomach, splenic hilum, and tail of the pancreas.