intrusive

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in·tru·sive / inˈtroōsiv/ • adj. 1. making an unwelcome manifestation with disruptive or adverse effect: that was an intrusive question tourist attractions that are environmentally intrusive. ∎  (of a person) disturbing another by one's uninvited or unwelcome presence: giving people information about their health without being too intrusive. 2. Phonet. (of a sound) pronounced between words or syllables to facilitate pronunciation, such as an r in saw a movie , which occurs in the speech of some eastern New Englanders and metropolitan New Yorkers. 3. Geol. of, relating to, or formed by intrusion. DERIVATIVES: in·tru·sive·ly adv. in·tru·sive·ness n.

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intrusiveimpassive, massive, passive •expansive •aggressive, compressive, concessive, degressive, depressive, digressive, excessive, expressive, impressive, obsessive, oppressive, possessive, progressive, recessive, regressive, repressive, retrogressive, successive, transgressive •reflexive •apprehensive, coextensive, comprehensive, defensive, expensive, extensive, intensive, offensive, ostensive, pensive, suspensive •counteroffensive •abrasive, evasive, invasive, persuasive, pervasive •adhesive, cohesive •missive, omissive, permissive, submissive •decisive, derisive, divisive, incisive •irresponsive, responsive •corrosive, explosive, implosive, plosive •abusive, allusive, collusive, conclusive, conducive, delusive, diffusive, effusive, elusive, exclusive, illusive, inclusive, intrusive, obtrusive, preclusive, reclusive, seclusive •percussive •compulsive, convulsive, impulsive, propulsive, repulsive •purposive •coercive, cursive, excursive, subversive

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intrusive Applied to a body of rock, usually igneous, that is emplaced within preexisting rocks. Intrusions are classified according to their size, their shape, and their geometrical relationship to the enclosing rocks.