irrefutable
         adj 1: impossible to deny or disprove; "incontrovertible proof
                  of the defendant's innocence"; "proof positive"; "an
                  irrefutable argument" [syn: {incontrovertible},
                  {irrefutable}, {positive}]

English Dictionary: irruptive	by the DICT Development Group
From WordNet (r) 3.0 (2006) [wn]:
irrupt v enter uninvited; "They intruded on our dinner party"; "She irrupted into our sitting room" Synonym(s): intrude, irrupt erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism" Synonym(s): erupt, irrupt, flare up, flare, break open, burst out increase rapidly and in an uncontrolled manner; "The population of India is exploding"; "The island's rodent population irrupted" Synonym(s): explode, irrupt
From WordNet (r) 3.0 (2006) [wn]:
irruption n a sudden violent entrance; a bursting in; "the recent irruption of bad manners" a sudden sharp increase in the relative numbers of a population a sudden violent spontaneous occurrence (usually of some undesirable condition); "the outbreak of hostilities" Synonym(s): outbreak, eruption, irruption
From WordNet (r) 3.0 (2006) [wn]:
irruptive adj of igneous rock that has solidified beneath the earth's surface; granite or diorite or gabbro Synonym(s): irruptive, plutonic
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irrebuttable \Ir`re*but"ta*ble\, a.       Incapable of being rebutted. --Coleridge.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irrefutable \Ir`re*fut"a*ble\ (?; 277), a. [L. irrefutabilis:       cf. F. irr[82]futable. See {Refute}.]       Incapable of being refuted or disproved; indisputable. --       {Ir`re*fut"a*ble*ness}, n. -- {Ir`re*fut"a*bly}, adv.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irrefutable \Ir`re*fut"a*ble\ (?; 277), a. [L. irrefutabilis:       cf. F. irr[82]futable. See {Refute}.]       Incapable of being refuted or disproved; indisputable. --       {Ir`re*fut"a*ble*ness}, n. -- {Ir`re*fut"a*bly}, adv.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irrefutable \Ir`re*fut"a*ble\ (?; 277), a. [L. irrefutabilis:       cf. F. irr[82]futable. See {Refute}.]       Incapable of being refuted or disproved; indisputable. --       {Ir`re*fut"a*ble*ness}, n. -- {Ir`re*fut"a*bly}, adv.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irreptitious \Ir`rep*ti"tious\, a. [L. irrepere, irreptum, to       creep in; pref. ir- in + repere to creep.]       Surreptitious; spurious. [Obs.] --Dr. Castell (1673).
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irreputable \Ir*rep"u*ta*ble\, a.       Disreputable. [Obs.]
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irrupted \Ir*rupt"ed\, a. [L. irruptus, p. p. of irrumpere to       break in; pref. ir- in + rumpere to break or burst. See       {Rupture}.]       Broken with violence.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irruption \Ir*rup"tion\, n. [L. irruptio: cf. F. irruption. See       {Irrupted}.]       1. A bursting in; a sudden, violent rushing into a place; as,             irruptions of the sea.                         Lest evil tidings, with too rude irruption Hitting                      thy aged ear, should pierce too deep. --Milton.          2. A sudden and violent inroad, or entrance of invaders; as,             the irruptions of the Goths into Italy. --Addison.          Syn: Invasion; incursion; inroad. See {Invasion}.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irruptive \Ir*rup"tive\, a.       Rushing in or upon.
From The Free On-line Dictionary of Computing (15Feb98) [foldoc]:
irrefutable          The opposite of {refutable}.