| abecedarian | (noun) a novice learning the rudiments of some subject | - |
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| academician | (noun) an educator who works at a college or university | Synonyms: academic, faculty member |
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| (noun) a scholar who is skilled in academic disputation | Synonyms: schoolman |
| (noun) someone elected to honorary membership in an academy | - |
| acanthopterygian | (noun) a teleost fish with fins that are supported by sharp inflexible rays | Synonyms: spiny-finned fish |
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| acoustician | (noun) a physicist who specializes in acoustics | - |
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| actinian | (noun) any sea anemone or related animal | Synonyms: actinia, actiniarian |
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| actiniarian | (noun) any sea anemone or related animal | Synonyms: actinia, actinian |
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| actinomyxidian | (noun) of or relating to parasites of worms | - |
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| aesthetician | (noun) a philosopher who specializes in the nature of beauty | Synonyms: esthetician |
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| (noun) a worker skilled in giving beauty treatments (manicures and facials etc.) | Synonyms: esthetician |
| alsatian | (noun) breed of large shepherd dogs used in police work and as a guide for the blind | Synonyms: German police dog, German shepherd, German shepherd dog |
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| amphibian | (noun) cold-blooded vertebrate typically living on land but breeding in water; aquatic larvae undergo metamorphosis into adult form | - |
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| (noun) an airplane designed to take off and land on water | Synonyms: amphibious aircraft |
| (noun) a flat-bottomed motor vehicle that can travel on land or water | Synonyms: amphibious vehicle |
| antediluvian | (noun) a very old person | Synonyms: ancient |
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| (noun) any of the early patriarchs who lived prior to the Noachian deluge | Synonyms: antediluvian patriarch |
| antinomian | (noun) a follower of the doctrine of antinomianism | - |
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| antiquarian | (noun) an expert or collector of antiquities | Synonyms: antiquary, archaist |
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| archosaurian | (noun) extinct reptiles including: dinosaurs, plesiosaurs, pterosaurs, ichthyosaurs, thecodonts | Synonyms: archosaur, archosaurian reptile |
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| arithmetician | (noun) someone who specializes in arithmetic | - |
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| ascidian | (noun) minute sedentary marine invertebrate having a saclike body with siphons through which water enters and leaves | - |
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| authoritarian | (noun) a person who behaves in a tyrannical manner | Synonyms: dictator |
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| banian | (noun) a loose fitting jacket; originally worn in India | Synonyms: banyan |
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| (noun) East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks | Synonyms: banian tree, banyan, banyan tree, East Indian fig tree, Ficus bengalensis, Indian banyan |
| barbarian | (noun) a member of an uncivilized people | Synonyms: savage |
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| (noun) a crude uncouth ill-bred person lacking culture or refinement | Synonyms: boor, churl, Goth, peasant, tike, tyke |
| batrachian | (noun) any of various tailless stout-bodied amphibians with long hind limbs for leaping; semiaquatic and terrestrial species | Synonyms: anuran, frog, salientian, toad, toad frog |
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| beautician | (noun) someone who works in a beauty parlor | Synonyms: cosmetician |
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| bohemian | (noun) a nonconformist writer or artist who lives an unconventional life | - |
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| caecilian | (noun) any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions | Synonyms: blindworm |
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| caesarian | (noun) the delivery of a fetus by surgical incision through the abdominal wall and uterus (from the belief that Julius Caesar was born that way) | Synonyms: abdominal delivery, C-section, caesarean, caesarean delivery, caesarean section, caesarian delivery, caesarian section, cesarean, cesarean delivery, cesarean section, cesarian, cesarian section |
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| carnelian | (noun) a translucent red or orange variety of chalcedony | Synonyms: cornelian |
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| centenarian | (noun) someone who is at least 100 years old | - |
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| ceratopsian | (noun) any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia | Synonyms: horned dinosaur |
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| cesarian | (noun) the delivery of a fetus by surgical incision through the abdominal wall and uterus (from the belief that Julius Caesar was born that way) | Synonyms: abdominal delivery, C-section, caesarean, caesarean delivery, caesarean section, caesarian, caesarian delivery, caesarian section, cesarean, cesarean delivery, cesarean section, cesarian section |
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| chelonian | (noun) a reptile of the order Chelonia | Synonyms: chelonian reptile |
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| chondrichthian | (noun) fishes in which the skeleton may be calcified but not ossified | Synonyms: cartilaginous fish |
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| civilian | (noun) a nonmilitary citizen | - |
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| clinician | (noun) a practitioner (of medicine or psychology) who does clinical work instead of laboratory experiments | - |
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| cnidarian | (noun) radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms | Synonyms: coelenterate |
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| collegian | (noun) a student (or former student) at a college or university | Synonyms: college boy, college man |
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| comedian | (noun) a professional performer who tells jokes and performs comical acts | Synonyms: comic |
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| (noun) an actor in a comedy | - |
| contrarian | (noun) an investor who deliberately decides to go against the prevailing wisdom of other investors | - |
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| cornelian | (noun) a translucent red or orange variety of chalcedony | Synonyms: carnelian |
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| cosmetician | (noun) someone who sells or applies cosmetics | - |
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| (noun) someone who works in a beauty parlor | Synonyms: beautician |
| crocodilian | (noun) extant archosaurian reptile | Synonyms: crocodilian reptile |
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| crossopterygian | (noun) any fish of the order Crossopterygii; most known only in fossil form | Synonyms: lobe-finned fish, lobefin |
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| custodian | (noun) one having charge of buildings or grounds or animals | Synonyms: keeper, steward |
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| cyprian | (noun) a woman who engages in sexual intercourse for money | Synonyms: bawd, cocotte, fancy woman, harlot, lady of pleasure, prostitute, sporting lady, tart, whore, woman of the street, working girl |
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| dalmatian | (noun) a large breed having a smooth white coat with black or brown spots; originated in Dalmatia | Synonyms: carriage dog, coach dog |
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| diagnostician | (noun) a doctor who specializes in medical diagnosis | Synonyms: pathologist |
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| dialectician | (noun) a logician skilled in dialectic | - |
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| dietician | (noun) a specialist in the study of diet and nutrition | Synonyms: dietitian |
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| dietitian | (noun) a specialist in the study of diet and nutrition | Synonyms: dietician |
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| disciplinarian | (noun) someone who demands exact conformity to rules and forms | Synonyms: martinet, moralist |
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| durian | (noun) huge fruit native to southeastern Asia `smelling like Hell and tasting like Heaven'; seeds are roasted and eaten like nuts | - |
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| (noun) tree of southeastern Asia having edible oval fruit with a hard spiny rind | Synonyms: durian tree, Durio zibethinus, durion |
| econometrician | (noun) an economist who uses statistical and mathematical methods | Synonyms: econometrist |
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| egalitarian | (noun) a person who believes in the equality of all people | Synonyms: equalitarian |
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| electrician | (noun) a person who installs or repairs electrical or telephone lines | Synonyms: lineman, linesman |
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| equalitarian | (noun) a person who believes in the equality of all people | Synonyms: egalitarian |
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| equestrian | (noun) a person skilled in equitation | Synonyms: horseback rider |
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| esthetician | (noun) a philosopher who specializes in the nature of beauty | Synonyms: aesthetician |
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| (noun) a worker skilled in giving beauty treatments (manicures and facials etc.) | Synonyms: aesthetician |
| ethician | (noun) a philosopher who specializes in ethics | Synonyms: ethicist |
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| eutherian | (noun) mammals having a placenta; all mammals except monotremes and marsupials | Synonyms: eutherian mammal, placental, placental mammal |
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| fustian | (noun) a strong cotton and linen fabric with a slight nap | - |
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| (noun) pompous or pretentious talk or writing | Synonyms: blah, bombast, claptrap, rant |
| gentian | (noun) any of various plants of the family Gentianaceae especially the genera Gentiana and Gentianella and Gentianopsis | - |
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| geometrician | (noun) a mathematician specializing in geometry | Synonyms: geometer |
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| geriatrician | (noun) a specialist in gerontology | Synonyms: gerontologist |
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| gorgonian | (noun) corals having a horny or calcareous branching skeleton | Synonyms: gorgonian coral |
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| grammarian | (noun) a linguist who specializes in the study of grammar and syntax | Synonyms: syntactician |
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| guardian | (noun) a person who cares for persons or property | Synonyms: defender, protector, shielder |
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| haemosporidian | (noun) minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens | - |
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| haplosporidian | (noun) parasite in invertebrates and lower vertebrates of no known economic importance | - |
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| hessian | (noun) (19th century) a man's high tasseled boot | Synonyms: Hessian boot, jackboot, Wellington, Wellington boot |
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| historian | (noun) a person who is an authority on history and who studies it and writes about it | Synonyms: historiographer |
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| holocephalian | (noun) fish with high compressed head and a body tapering off into a long tail | Synonyms: holocephalan |
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| holothurian | (noun) echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders | Synonyms: sea cucumber |
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| humanitarian | (noun) someone devoted to the promotion of human welfare and to social reforms | Synonyms: do-gooder, improver |
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| (noun) an advocate of the principles of humanism; someone concerned with the interests and welfare of humans | Synonyms: humanist |
| infusorian | (noun) any member of the subclass Infusoria | - |
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| kalian | (noun) an oriental tobacco pipe with a long flexible tube connected to a container where the smoke is cooled by passing through water | Synonyms: calean, chicha, hookah, hubble-bubble, hubbly-bubbly, narghile, nargileh, sheesha, shisha, water pipe |
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| latitudinarian | (noun) a person who is broad-minded and tolerant (especially in standards of religious belief and conduct) | - |
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| lesbian | (noun) a female homosexual | Synonyms: gay woman, tribade |
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| libertarian | (noun) someone who believes the doctrine of free will | - |
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| (noun) an advocate of libertarianism | - |
| librarian | (noun) a professional person trained in library science and engaged in library services | Synonyms: bibliothec |
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| lilliputian | (noun) a very small person (resembling a Lilliputian) | - |
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| logician | (noun) a person skilled at logic | Synonyms: logistician |
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| logistician | (noun) a person skilled at logic | Synonyms: logician |
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| magician | (noun) one who practices magic or sorcery | Synonyms: necromancer, sorcerer, thaumaturge, thaumaturgist, wizard |
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| (noun) someone who performs magic tricks to amuse an audience | Synonyms: conjurer, conjuror, illusionist, prestidigitator |
| malacopterygian | (noun) any fish of the superorder Malacopterygii | Synonyms: soft-finned fish |
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| mammalian | (noun) any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk | Synonyms: mammal |
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| marginocephalian | (noun) includes boneheaded (pachycephalosaurs) and horned (ceratopsian) dinosaurs | Synonyms: Marginocephalia, suborder Marginocephalia |
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| mathematician | (noun) a person skilled in mathematics | - |
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| median | (noun) the number midway between the two middle numbers in a series containing an even or odd number of items | Synonyms: median value |
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| megatherian | (noun) a large extinct ground sloth | Synonyms: megatherian mammal, megatheriid |
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| meridian | (noun) an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Synonyms: line of longitude |
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| (noun) the highest level or degree attainable; the highest stage of development | Synonyms: acme, elevation, height, peak, pinnacle, summit, superlative, tiptop, top |
| metatherian | (noun) primitive pouched mammals found mainly in Australia and the Americas | - |
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| microradian | (noun) a unit of angular distance equal to one thousandth of a milliradian | - |
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| microsporidian | (noun) parasite of arthropods and fishes that invade and destroy host cells | - |
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| millenarian | (noun) a person who believes in the coming of the millennium (a time of great peace and prosperity) | Synonyms: chiliast, millenarist |
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| milliradian | (noun) a unit of angular distance equal to one thousandth of a radian | - |
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| mortician | (noun) one whose business is the management of funerals | Synonyms: funeral director, funeral undertaker, undertaker |
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| musician | (noun) artist who composes or conducts music as a profession | - |
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| (noun) someone who plays a music as a profession | Synonyms: instrumentalist, player |
| myxosporidian | (noun) mostly parasitic in fishes and including various serious pathogens | - |
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| necessitarian | (noun) someone who does not believe the doctrine of free will | - |
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| nonagenarian | (noun) someone whose age is in the nineties | - |
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| obsidian | (noun) acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces | - |
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| obstetrician | (noun) a physician specializing in obstetrics | Synonyms: accoucheur |
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