interchange, n. reciprocation, reciprocity, permutation; alternation.

interest, n. concern; share, portion, part, partic.i.p.ation; advantage, benefit, weal, behoof; usury. Antonyms: boredom, ennui, indifference, unconcern.

interested, a. concerned; prejudiced, partial. Antonyms: disinterested, unconcerned, bored.

interfere, v. clash, conflict; intermeddle, interpose, intervene.

interference, n. clashing, collision; intermeddling, interposition, intervention.

interlining, n. interlineation.

interloper, n. intruder, interferer.

intermediate, a. intervening, interjacent; interlocutory (Law).

intermittent, a. remittent, periodical, recurrent.

internal, a. inward, interior, inside, inner; esoteric; intrinsic; inherent.

interpret, v. construe, translate, render.

interpretation, n. rendering, rendition, translation; exegesis, exegetics, hermeneutics, isagogics, anagogics, dittology.

interrogation point. eroteme.

interval, n. interstice (s.p.a.ce between); interim, meantime

intervening, a. intermediate, interjacent.

intervention, n. interference, interposition; mediation, intercession.

intestines, n. pl. entrails, bowels, inwards, guts; omentum, caul, vermiform appendix, colon, r.e.c.t.u.m, hindgut, enteron, caec.u.m, ileum, ileus, volvulus, jejunum, duodenum, alimentary ca.n.a.l; chitterlings. a.s.sociated words: enterology, splanchnology, enterography, splanchnography, enteropathy, enteroplasty, enterotomy, enteralgia, enterolith, enteritis, intestinal, enteric, crypt, peristalsis, vermiculation, alvine, viscerate, visceration, eviscerate, evisceration, disembowel, disembowelment.

intolerable, a. insufferable, unendurable.

intolerance, n. bigotry, dogmatism, illiberality.

intolerant, a. bigoted, unforbearing, illiberal.

intrenchment, n. earthwork, fortification; encroachment, infringement, invasion, inroad.

intricacy, n. complication, entanglement, complexity.

intricate, a. complicated, entangled, involved, labyrinthian, mazy.

intrigue, n. conspiracy, machination, cabal, plot; amour (illicit love affair), liaison.

intrigue, v. plot, scheme, machinate, cabal.

intriguer, n. machinator, plotter, schemer, Figaro, intrigant, intrigante (female).

intriguing, a. scheming, Machiavelian, wily.

intrinsic, a. inherent, innate, real, genuine. Antonym: extrinsic.

introduction, n. preface, proem, exordium, prelude, prolegomenon, prologue, foreword; presentation; interpolation interposition, initiation.

introductory, a. preliminary, proemial, prefatory.

intrude, v. infringe, invade, encroach, obtrude, interlope.

intrusion, n. encroachment, obtrusion, infringement, interloping.

intrusive, a. obtrusive. Antonyms: unintrusive, un.o.btrusive, retiring.

intrust, v. commit, confide.

invade, v. infringe, encroach, trespa.s.s, intrench, trench.

invalid, a. null, void, of no efficacy; baseless, unfounded.

invalid, a. valetudinary.

invalid, n. valetudinarian.

invalidate, v. annul, abrogate, cancel, quash, nullify.

invalidation, n. nullification, abrogation, annulment.

invalidism, n. valetudinarianism.

invasion, n. irruption, foray, raid, aggression; violation, infringement, encroachment, intrenchment.

inveigle, v. wheedle, seduce.

inveiglement, n. wheedling, seduction.

investigate, v. probe, sift, examine.

investigation, n. examination, inquiry, research.

invidious, a. objectionable, offensive.

invincible, a. indomitable, unconquerable.

invisible, a. imperceptible, microscopic, evanescent.

invitation, n. bidding, call, summons.