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.

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OXFORD DICTIONARY

Intrusive, adj.
1 that intrudes or tends to intrude.
2 characterized by intrusion.

Derivative

intrusively adv. intrusiveness n.

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THESAURUS

Intrusive

alien, barbarian, barbaric, barbarous, busy, entering, exotic, exterior, external, extraneous, extraterrestrial, extrinsic, foreign, foreign-born, forward, frantic, frenetic, frenzied, hectic, hyperactive, hyperkinetic, ill-considered, ill-seasoned, ill-timed, importunate, improper, in, inappropriate, inauspicious, inbound, incoming, inconvenient, inexpedient, infelicitous, inflooding, inflowing, ingoing, ingressive, inopportune, inpouring, inquisitive, intempestive, interfering, interruptive, intervenient, intruding, invasive, inward, inward-bound, irrelevant, irruptive, late, mal a propos, malapropos, meddlesome, meddling, mistimed, nosy, obtrusive, off base, officious, out of line, out of phase, out of time, outland, outlandish, outside, premature, presumptuous, prying, pushy, snoopy, strange, too late, too soon, ulterior, unbefitting, uncalled-for, unearthly, unfavorable, unfit, unfitting, unfortunate, unhandy, unhappy, unlucky, unpropitious, unready, unripe, unseasonable, unsought, unsuitable, untimely, untoward, unwanted, unwelcome, wrong

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ROGET THESAURUS

Intrusive

Disagreement

N disagreement, discord, discordance, dissonance, dissidence, discrepancy, unconformity, incongruity, incongruence, discongruity, mesalliance, jarring, dissension, conflict, bickering, clashing, misunderstanding, wrangle, disparity, mismatch, disproportion, dissimilitude, inequality, disproportionateness, variance, divergence, repugnance, unfitness, inaptitude, impropriety, inapplicability, inconsistency, inconcinnity, irrelevancy, misjoining, misjoinder, syncretism, intrusion, interference, concordia discors, fish out of water, disagreeing, discordant, discrepant, at variance, at war, hostile, antagonistic, repugnant, incompatible, irreconcilable, inconsistent with, unconformable, exceptional, intrusive, incongruous, disproportionate, disproportionated, inharmonious, unharmonious, inconsonant, unconsonant, divergent, repugnant to, inapt, unapt, inappropriate, improper, unsuited, unsuitable, inapplicable, not to the point, unfit, unfitting, unbefitting, unbecoming, illtimed, unseasonable, mal a propos, inadmissible, inapposite, uncongenial, ill-assorted, ill-sorted, mismatched, misjoined, misplaced, misclassified, unaccommodating, irreducible, incommensurable, uncommensurable, unsympathetic, out of character, out of keeping, out of proportion, out of joint, out of tune, out of place, out of season, out of its element, at odds with, at variance with, in defiance, in contempt, in spite of, discordantly, a tort et a travers, asinus ad lyram.

Untimeliness

N untimeliness, intempestivity, unseasonableness, inexpedience, unsuitable time, improper time, unreasonableness, evil hour, contretemps, intrusion, anachronism, bad time, wrong time, inappropriate time, not the right occasion, unsuitable time, inopportune time, poor timing, ill-timed, mistimed, ill-fated, ill-omened, ill-starred, untimely, unseasonable, out of date, out of season, inopportune, timeless, intrusive, untoward, mal a propos, unlucky, inauspicious, infelicitous, unbefitting, unpropitious, unfortunate, unfavorable, unsuited, inexpedient, unpunctual, too late for, premature, too soon for, wise after the event, monday morning quarterbacking, twenty-twenty hindsight, inopportunely, as ill luck would have it, in an evil hour, the time having gone by, a day after the fair, after death the doctor, after meat mustard.

Interposition

N interposition, interjacence, intercurrence, intervenience, interlocation, interdigitation, interjection, interpolation, interlineation, interspersion, intercalation, interpenetration, permeation, infiltration, intervention, interference, intrusion, obtrusion, insinuation, insertion, dovetailing, embolism, intermediary, intermedium, go between, bodkin, intruder, interloper, parenthesis, episode, flyleaf, partition, septum, diaphragm, midriff, dissepiment, party wall, panel, room divider, halfway house, interjacent, intercurrent, intervenient, intervening, intermediate, intermediary, intercalary, interstitial, embolismal, parenthetical, episodic, mediterranean, intrusive, embosomed, merged, between, betwixt, twixt, among, amongst, amid, amidst, mid, midst, in the thick of, betwixt and between, sandwich-wise, parenthetically, obiter dictum.

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