Found 743 definitions starting with IR:

irreduciblyirredundantirreemplazableirreferential
irreflectionirreflectiveirreflexiveirreformable
irrefragabilityirrefragableirrefragablenessirrefragably
irrefrangibilityirrefrangibleirrefrangiblenessirrefrangibly
irrefromableirrefusableirrefutableirrefutably
irreg.irregardfulirregardlessirregeneracy
irregenerationirregularirregular forcesirregular galaxy
irregular outer edgeirregular pluralirregular primeirregular verb
irregular warfareirregular-verbirregularistirregularities
irregularityirregularlyirregulateirregulous
irrejectableirrelapsableirrelateirrelation
irrelativeirrelavanceirrelavancyirrelavant
irrelevanceirrelevancyirrelevantirrelevantly
irrelievableirreligionirreligionistirreligious
irreligiouslyirreligiousnessirremeableirremediability
irremediableirremediablenessirremediablyirremissibility
irremissibleirremissiblenessirremissiblyirremission
irremissiveirremittableirremobabilityirremovable
irremovalirremunerableirrenownedirrep
irreparabilityirreparableirreparablenessirreparably
irreparateirrepealabilityirrepealableirrepentance
irreplaceabilityirreplaceableirreplaceablenessirreplaceably
irrepleviableirreplevisableirreplicabilityirreplicable
irreprehensibleirrepresentableirrepressibilityirrepressible
irrepressiblyirreproachableirreproachablenessirreproachably
irreproducibilityirreproducibleirreproduciblyirreprovable
irreprovablyirreptitiousirreputableirresilient
irresistanceirresistibilityirresistibleirresistible grace
irresistible impulseirresistiblenessirresistiblyirresistless
irresolubleirresolublenessirresolublyirresolute