Browse Other J Word Lengths
12-Letter J Words by Ending Letter
All 90 12-Letter Words Starting With J
jackanapesesplural of jackanapesjackhammeredsimple past and past participle of jackhammerjacklighting(hunting, US, Canada) The action of the verb to jacklight; the act of illuminating an animal for the purpose of hunting.jacobinizingpresent participle and gerund of jacobinizejacquardlike(rare) Reminiscent of weaving on a jacquard loom.jaculiferous(rare) prickly; bearing spinesjakobssonite(mineralogy) A rare monoclinic white mineral with chemical formula CaAlF₅, found in Iceland.jalapinolate(chemistry) Any salt or ester of jalapinolic acid.jaloallofane(mineralogy) Synonym of hyalophane.japaconitine(organic chemistry) A poisonous alkaloid, isolated from aconite, possibly identical to aconitinejapanimationAlternative letter-case form of Japanimation.japonaiserie(art) Art objects made in the Japanese style.jararacussin(biochemistry) A fibrinogen-clotting enzyme in the venom of the pit viper Bothrops jararacussujarovizationSynonym of vernalization.jasminaceous(botany, relational) Of or relating to the Jasminaceae.jateorhizine(organic chemistry) An alkaloid found in Jateorhiza.jawellnofine(South Africa) Alternative form of ja well no fine.jazzlessness(rare) Absence of jazz.jeffersonite(mineralogy) A zinc-containing variety of pyroxene of olive-green color passing into brown.jejeunostomy(surgery) Alternative spelling of jejunostomy.jejunoplasty(surgery) Corrective surgery of the jejunumjeopardisingpresent participle and gerund of jeopardisejeopardizingpresent participle and gerund of jeopardizejeopardouslyIn a jeopardous manner.jeremeieviteAlternative form of jeremejevite.jeremejevite(mineralogy) A hexagonal-dipyramidal mineral containing aluminum, boron, fluorine, hydrogen, and oxygen.jeremejewiteAlternative form of jeremejevite.jerrybuilderAlternative form of jerry-builder.jerrymandersthird-person singular simple present indicative of jerrymanderjerrymunglum(British, dated) Synonym of camel spider (arachnid of the order Solifugae)jettisonableCapable of being jettisoned.jihadisationAlternative spelling of jihadization.jihadisphereThe realm or sphere of jihadists.jihadizationThe movement towards Islamic holy war.jimpsonweedsplural of jimpsonweedjingmenvirusAny RNA virus of the genus JingmenvirusjitterbuggerA person who dances the jitterbug.jjajangmyeonA Korean dish of noodles with a sauce made from black beans.jocularitiesplural of jocularityjohannsenite(mineralogy) A monoclinic-prismatic mineral containing calcium, manganese, oxygen, and silicon.johninnesite(mineralogy) A triclinic-pinacoidal yellow brown mineral containing arsenic, hydrogen, magnesium, manganese, oxygen, silicon, and sodium.johnsongrassAlternative spelling of Johnson grass.johnstrupite(mineralogy) A particular titanium silicate mineral.jointurelessHaving no jointure.jokelessnessAbsence of jokes.jokesomenessThe condition or quality of being jokesome; jestjolterheaded(archaic) foolish; stupidjournalisticRelated to journalism or journalists.journeywomanThe female equivalent of a journeyman.joysticklikeResembling or characteristic of a joystick.jubilization(archaic) Celebration.judgmentallyIn a judgmental manner.judgmentlessDevoid of judgment; undiscerning.judicatoriesplural of judicatoryjudicialnessThe quality of being judicial.jumboisationAlternative form of jumboization.jumboization(nautical) The shipbuilding technique of enlarging a ship by inserting middle sections to it, extending its length.jumpstartingpresent participle and gerund of jumpstartjunctionallyAt or by means of a junction.junctionlessHaving no junctionjunctophilinAny of a class of proteins associated with junctional complexes.juncturelessWithout a juncture.jungermanniaAny of the genus Jungermannia of liverworts.junketeeringpresent participle and gerund of junketeerjuramentadosplural of juramentadojurimetricalRelating to jurimetrics.jurisconsult(Roman and civil law) A person authorised to give legal advice.jurisdictionThe power, right, or authority to interpret and apply the law.jurisdictivejurisdictionaljurisprudentUnderstanding law; skilled in jurisprudence.jurisprudist(uncommon) Synonym of jurisprude.juristicallyIn a juristic manner or context.juristocracyRule or government by the judiciary or court system.justiceshipsplural of justiceshipjusticiariesplural of justiciaryjustificatorOne who justifies or vindicates.justifyinglySo as to justify something.juvenescence(especially of one's mind or spirit) The state of becoming young or juvenile.juvenilitiesplural of juvenilityjuxtaluminal(anatomy) Alongside a lumenjuxtamacularAlongside the maculajuxtamastoidAlongside the mastoid processjuxtamedularAlternative form of juxtamedullary.juxtamucosalAlongside a mucosal layerjuxtanuclear(cytology) Near the nucleus (of a cell)juxtaphrenic(anatomy) Next to the diaphragmjuxtapleural(anatomy) Adjacent to the pleurajuxtaposableCapable of being juxtaposed.juxtapyloricNext to the pylorus.juxtatumoralNext to a tumour
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