unusual, uncommon, unheard, atypical, noteworthy, infrequent, remarkable, prized, startling, extraordinary, priceless, fleeting, notable, peculiar, stunning, unprecedented, mild, unlikely, spectacular, fortuitous, puzzling, precious, commonplace, unique, unlooked, surprising, strange, treasured, deadly, freakish, odd, serious, bizarre, psychogenic fugue, monumental, noncontagious, astonishing, sensational, fascinating, significant, uncharacteristic, baffling, nonhereditary, delicate, troubling, dramatic, breathtaking, special, limited, inexplicable, frightening, momentous, shocking, miraculous, treasurable, unremarkable, fatal, obscure, sporadic, exceptional, unexpected, hawaiian honeycreeper, serendipitous, occasional, irreproducible, worrisome, brief, paradoxical, characteristic, dangerous, critical, scary, rarified, unrepeatable, heartwarming, severe, small, scarce, melanistic, pectoral sandpiper, undulant fever, isolated, distressing, alarming, heartbreaking, valuable, felicitous, wondrous, glorious, astounding, glaring, crucial, historic, radiosensitive, abundant, golden, unnerving, amazing, splendid, devastating, collectable, unfortunate, vascular, chronic, metabolic, recurrent, transient, epidemics, hyper, larks, lesions, leukopenia, papillary, aches, arrhythmia, b., bilateral, cardiac, cns, complaints, contacts, eases, rarer, rarest, commonest, commoner, oilier, marvelous, singular, wonderful, enviable, marvellous, strangest, ephemeral

abetalipoproteinemia, aestival, african hunting dog, agammaglobulinemia, albatrellus dispansus, alcaptonuria, alkaptonuria, angiosarcoma, anorthite, argyrodite, aspersion, atomic number 21, atomic number 31, atomic number 39, atomic number 44, atomic number 49, atomic number 57, atomic number 58, atomic number 59, atomic number 60, atomic number 61, atomic number 62, atomic number 63, atomic number 64, atomic number 65, atomic number 66, atomic number 67, atomic number 68, atomic number 69, atomic number 70, atomic number 71, atomic number 75, bastnaesite, bastnasite, beef wellington, bibliopole, bibliopolist, blue-blindness, bosin's disease, breathe, cadmium sulphide, calypso, calypso bulbosa, cape hunting dog, carl gustaf mossander, ce, cerium, charadrius morinellus, chrysoberyl, cjd, cobaltite, congenital afibrinogenemia, congenital pancytopenia, creutzfeldt-jakob disease, crocolite, cupressus abramsiana, cupressus goveniana abramsiana, cupressus goveniana pigmaea, cupressus pigmaea, curly grass, curly grass fern, darier's disease, dawson's encephalitis, diabetes insipidus, dotrel, dotterel, dy, dysprosium, eczema vaccinatum, er, erbium, estival, eu, eudromias morinellus, europium, everglades national park, fairy-slipper, falcatifolium taxoides, falco rusticolus, fanconi's anaemia, fanconi's anemia, filet de boeuf en croute, ga, gadolinite, gadolinium, gallium, gaucher's disease, gd, gerfalcon, germanite, greenockite, grus americana, gyrfalcon, hepatolenticular degeneration, ho, holmium, hyena dog, iliamna remota, in, inaccessible, inclusion body encephalitis, incommutable, indium, infantile autism, jakob-creutzfeldt disease, kaposi's varicelliform eruption, keratosis follicularis, kimberlite, knowing, la, lanthanide series, lanthanum, lu, lutecium, lutetium, lycaon pictus, marvelous, mesothelioma, misch metal, monazite, mosander, mudhif, multiple personality, myotonia congenita, nd, neodymium, olivenite, pantheism, parasitaxus ustus, parasite yew, pegmatite, pharomacrus mocino, phocomelia, pm, pollucite, pr, praseodymium, progeria, promethium, pygmy cypress, rara avis, rare bird, rariora, re, realgar, resplendent quetzel, resplendent trogon, rhenium, ru, rubella panencephalitis, ruthenium, samarium, santa cruz cypress, sapphirine, sc, scandium, schizaea pusilla, sclerosing leukoencephalitis, seal limbs, sm, spearfish, sphaeralcea remota, split personality, sprinkling, sspe, stinking cedar, stinking yew, stone crab, subacute inclusion body encephalitis, subacute sclerosing leukoencephalitis, subacute sclerosing panencephalitis, tasmanian tiger, tasmanian wolf, tb, television, terbium, tetartanopia, thomsen's disease, thrombasthenia, thulium, thylacine, thylacinus cynocephalus, tm, torreya taxifolia, torrey tree, tritanopia, uncommonness, undeveloped, uniocular dichromat, unique, vanishingly, van bogaert encephalitis, white elephant, whooper, whooping crane, wild hollyhock, williams syndrome, wilson's disease, xanthoma disseminatum, xeroderma pigmentosum, yb, yellow-blindness, yellow-leaf sickle pine, ytterbite, ytterbium, yttrium

extraordinary, infrequent, rarefied, rarified, raw, scarce, thin, uncommon