1.  pill(n = noun.artifact) - something that resembles a tablet of medicine in shape or size;
is a kind of thing
has particulars: vitamin pill

2.  pill(n = noun.artifact) lozenge, tab, tablet - a dose of medicine in the form of a small pellet;
is a kind of dosage, dose
has particulars: bolus, capsule, dragee, sleeping capsule, sleeping draught, sleeping pill, sleeping tablet

3.  pill(n = noun.person) - a unpleasant or tiresome person;
is a kind of disagreeable person, unpleasant person

4.  pill(n = noun.cognition) - something unpleasant or offensive that must be tolerated or endured; "his competitor's success was a bitter pill to take"
is a kind of burden, encumbrance, incumbrance, load, onus

5.  pill(n = noun.artifact) anovulant, anovulatory drug, birth control pill, contraceptive pill, oral contraceptive, oral contraceptive pill - a contraceptive in the form of a pill containing estrogen and progestin to inhibit ovulation and so prevent conception;
is a kind of birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device
has particulars: demulen, enovid, loestrin, lo/ovral, micronor, modicon, norinyl, norlestrin, nor-q-d, ovocon, ovral, ovrette, ovulen

   The peel or skin. Holland. [1913 Webster]

   To be peeled; to peel off in flakes. [1913 Webster]

1.  To deprive of hair; to make bald. [1913 Webster]

2.  To peel; to make by removing the skin. [1913 Webster]
"[Jacob] pilled white streaks . . . in the rods." [1913 Webster]

   To rob; to plunder; to pillage; to peel. See Peel, to plunder. Spenser. [1913 Webster]
"Pillers and robbers were come in to the field to pill and to rob." [1913 Webster]

1.  A medicine in the form of a little ball, or small round mass, to be swallowed whole. [1913 Webster]

2.  Figuratively, something offensive or nauseous which must be accepted or endured. Udall. [1913 Webster]

pill, n.
1 a solid medicine formed into a ball or a flat disc for swallowing whole. b (usu. prec. by the) colloq. a contraceptive pill.
2 an unpleasant or painful necessity; a humiliation (a bitter pill; must swallow the pill).
3 colloq. or joc. a ball, e.g. a football, a cannon-ball.

Idiom:
sugar (or sweeten) the pill make an unpleasant necessity acceptable.

Etymology:
MDu., MLG pille prob. f. L pilula dimin. of pila ball

N  remedy, help, cure, redress, medicine, medicament, diagnosis, medical examination, medical treatment, surgery, preventive medicine, clinical thermometer, stethoscope, X-ray machine, anthelmintic, antidote, antifebrile, antipoison, counterpoison, antitoxin, antispasmodic, bracer, faith cure, placebo, helminthagogue, lithagogue, pick-meup, stimulant, tonic, vermifuge, prophylactic, corrective, restorative, sedative, palliative, febrifuge, alterant, alterative, specific, antiseptic, emetic, analgesic, pain-killer, antitussive, antiinflammatory, antibiotic, antiviral, antifungal, carminative, Nepenthe, Mithridate, cure, treatment, regimen, radical cure, perfect cure, certain cure, sovereign remedy, examination, diagnosis, diagnostics, analysis, urinalysis, biopsy, radiology, medicine, physic, Galenicals, simples, drug, pharmaceutical, prescription, potion, draught, dose, pill, bolus, injection, infusion, drip, suppository, electuary, linctus, lincture, medicament, pharmacon, nostrum, receipt, recipe, prescription, catholicon, panacea, elixir, elixir vitae, philosopher's stone, balm, balsam, cordial, theriac, ptisan, agueweed, arnica, benzoin, bitartrate of potash, boneset, calomel, catnip, cinchona, cream of tartar, Epsom salts, feverroot, feverwort, friar's balsam, Indian sage, ipecac, ipecacuanha, jonquil, mercurous chloride, Peruvian bark, quinine, quinquina, sassafras, yarrow, salve, ointment, cerate, oil, lenitive, lotion, cosmetic, plaster, epithem, embrocation, liniment, cataplasm, sinapism, arquebusade, traumatic, vulnerary, pepastic, poultice, collyrium, depilatory, emplastrum, eyewater, vesicant, vesicatory, compress, pledget, bandage, treatment, medical treatment, regimen, dietary, dietetics, vis medicatrix, vis medicatrix naturae, medecine expectante, bloodletting, bleeding, venesection, phlebotomy, cupping, sanguisae, leeches, operation, surgical operation, transfusion, infusion, intravenous infusion, catheter, feeding tube, prevention, preventative medicine, immunization, inoculation, vaccination, vaccine, shot, booster, gamma globulin, pharmacy, pharmacology, pharmaceutics, pharmacopoeia, formulary, acology, Materia Medica, therapeutics, posology, homeopathy, allopathy, heteropathy, osteopathy, hydropathy, cold water cure, dietetics, surgery, chirurgery, chirurgy, healing art, leechcraft, orthopedics, orthopedy, orthopraxy, pediatrics, dentistry, midwifery, obstetrics, gynecology, tocology, sarcology, hospital, infirmary, pesthouse, lazarhouse, lazaretto, lock hospital, maison de sante, ambulance, dispensary, dispensatory, drug store, pharmacy, apothecary, druggist, chemist, Hotel des Invalides, sanatorium, spa, pump room, well, hospice, Red Cross, doctor, physician, surgeon, medical practitioner, general practitioner, specialist, medical attendant, apothecary, druggist, leech, osteopath, osteopathist, optometrist, ophthalmologist, internist, oncologist, gastroenterologist, epidemiologist, public health specialist, dermatologist, podiatrist, witch doctor, shaman, faith healer, quack, exorcist, Aesculapius, Hippocrates, Galen, accoucheur, accoucheuse, midwife, oculist, aurist, operator, nurse, registered nurse, practical nurse, monthly nurse, sister, nurse's aide, candystriper, dresser, bonesetter, pharmaceutist, pharmacist, druggist, chemist, pharmacopolist, remedial, restorative, corrective, palliative, healing, sanatory, sanative, prophylactic, preventative, immunizing, salutiferous, medical, medicinal, therapeutic, chirurgical, epulotic, paregoric, tonic, corroborant, analeptic, balsamic, anodyne, hypnotic, neurotic, narcotic, sedative, lenitive, demulcent, emollient, depuratory, detersive, detergent, abstersive, disinfectant, febrifugal, alterative, traumatic, vulnerary, allopathic, heteropathic, homeopathic, hydropathic, anthelmintic, antifebrile, antiluetic, aperient, chalybeate, deobstruent, depurative, laxative, roborant, dietetic, alimentary, nutritious, nutritive, peptic, alexipharmic, alexiteric, remediable, curable, aux grands maux les grands remedes, Dios que da la llaga da la medicina, para todo hay remedio sino para la muerte, temporis ars medicina fere est, the remedy is worse than the disease, throw physic to the dogs, I'll none of it.

N  weariness, defatigation, lassitude, drowsiness, disgust, nausea, loathing, sickness, satiety, taedium vitae, boredom, ennui, wearisomeness, tediousness, dull work, tedium, monotony, twice-told tale, bore, buttonholer, proser, wet blanket, pill, stiff, heavy hours, the enemy (time), wearying, wearing, wearisome, tiresome, irksome, uninteresting, stupid, bald, devoid of interest, dry, monotonous, dull, arid, tedious, humdrum, mortal, flat, prosy, prosing, slow, soporific, somniferous, disgusting, unenjoyed, weary, tired, drowsy, uninterested, flagging, used up, worn out, blase, life-weary, weary of life, sick of, wearily, usque ad nauseam, time hanging heavily on one's hands, toujours perdrix, crambe repetita.

N  rotundity, roundness, cylindricity, sphericity, spheroidity, globosity, cylinder, cylindroid, cylindrical, barrel, drum, roll, roller, rouleau, column, rolling-pin, rundle, cone, conoid, pear shape, egg shape, bell shape, sphere, globe, ball, boulder, bowlder, spheroid, ellipsoid, oblong spheroid, oblate spheroid, prolate spheroid, drop, spherule, globule, vesicle, bulb, bullet, pellet, pelote, clew, pill, marble, pea, knob, pommel, horn, knot (convolution), curved surface, hypersphere, hyperdimensional surface, rotund, round, cylindric, cylindrical, cylindroid, columnar, lumbriciform, conic, conical, spherical, spheroidal, globular, globated, globous, globose, egg shaped, bell shaped, pear shaped, ovoid, oviform, gibbous, rixiform, campaniform, campanulate, campaniliform, fungiform, bead-like, moniliform, pyriform, bulbous, tres atque rotundus, round as an orange, round as an apple, round as a ball, round as a billiard ball, round as a cannon ball.

abortion pill, birth control pill, bitter pill, contraceptive pill, morning-after pill, multivitamin pill, oral contraceptive pill, pain pill, pep pill, pill bottle, pill bug, pill head, pill pusher, pill roller, poison pill, sleeping pill, suicide pill, vitamin pill, water pill