1.  extremity(n = noun.body) appendage, member - an external body part that projects from the body; "it is important to keep the extremities warm"
is a kind of external body part
has particulars: chelicera, mouthpart, fang, chela, claw, nipper, pincer, parapodium, fin, pleopod, swimmeret, limb, dactyl, digit

2.  extremity(n = noun.state) - an extreme condition or state (especially of adversity or disease);
is a kind of adversity, hard knocks, hardship
has particulars: bitter end
Derived forms adjective extreme₁, adjective extreme₂

3.  extremity(n = noun.state) - the greatest or utmost degree; "the extremity of despair"
is a kind of ultimacy, ultimateness
Derived forms adjective extreme₁, adjective extreme₂

4.  extremity(n = noun.location) - the outermost or farthest region or point;
is a kind of part, region
has particulars: bound, boundary, bounds, end, terminal, extreme, extreme point, extremum, limit
Derived form adjective extreme₄

5.  extremity(n = noun.body) - that part of a limb that is farthest from the torso;
is a kind of external body part
is a part of limb
has particulars: pedal extremity, vertebrate foot, hand, manus, mitt, paw, finger, toe

1.  The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country. [1913 Webster]
"They sent fleets . . . to the extremities of Ethiopia." [1913 Webster]

2.  One of locomotive appendages of an animal; a limb; a leg or an arm of man. [1913 Webster]

3.  The utmost point; highest degree; most aggravated or intense form. Ray. [1913 Webster]

4.  The highest degree of inconvenience, pain, or suffering; greatest need or peril; extreme need; necessity. [1913 Webster]
"Divers evils and extremities that follow upon such a compulsion shall here be set in view." [1913 Webster]
"Upon mere extremity he summoned this last Parliament."

extremity, n. (pl. -ies)
1 the extreme point; the very end.
2 (in pl.) the hands and feet.
3 a condition of extreme adversity or difficulty.

Etymology:
ME f. OF extremit{eacute} or L extremitas (as EXTREME)

N  end, close, termination, desinence, conclusion, finis, finale, period, term, terminus, endpoint, last, omega, extreme, extremity, gable end, butt end, fag-end, tip, nib, point, tail, verge, tag, peroration, bonne bouche, bottom dollar, tail end, rear guard, consummation, denouement, finish, fate, doom, doomsday, crack of doom, day of Judgment, dies irae, fall of the curtain, goal, destination, limit, determination, expiration, expiry, extinction, extermination, death, end of all things, finality, eschatology, break up, commencement de la fin, last stage, turning point, coup de grace, deathblow, knock-out-blow, sockdolager, ending, final, terminal, definitive, crowning, last, ultimate, hindermost, rear, caudal, vergent, conterminate, conterminous, conterminable, ended, at an end, settled, decided, over, played out, set at rest, conclusive, penultimate, last but one, last but two, unbegun, uncommenced, fresh, finally, in fine, at the last, once for all, as high as Heaven and as deep as hell, deficit omne quod nascitur, en toute chose il faut considerer la fin, finem respice, ultimus Romanorum.

N  adversity, evil, failure, bad luck, ill luck, evil luck, adverse luck, hard fortune, hard hap, hard luck, hard lot, frowns of fortune, evil dispensation, evil star, evil genius, vicissitudes of life, ups and downs of life, broken fortunes, hard case, hard lines, hard life, sea of troubles, peck of troubles, hell upon earth, slough of despond, trouble, hardship, curse, blight, blast, load, pressure, pressure of the times, iron age, evil day, time out of joint, hard times, bad times, sad times, rainy day, cloud, dark cloud, gathering clouds, ill wind, visitation, infliction, affliction, bitter pill, care, trial, the sport of fortune, mishap, mischance, misadventure, misfortune, disaster, calamity, catastrophe, accident, casualty, cross, reverse, check, contretemps, rub, backset, comedown, setback, losing game, falling, fall, downfall, ruination, ruinousness, undoing, extremity, ruin, unfortunate, unblest, unhappy, unlucky, improsperous, unprosperous, hoodooed, luckless, hapless, out of luck, in trouble, in a bad way, in an evil plight, under a cloud, clouded, ill off, badly off, in adverse circumstances, poor, behindhand, down in the world, decayed, undone, on the road to ruin, on its last legs, on the wane, in one's utmost need, planet-struck, devoted, born under an evil star, born with a wooden ladle in one's mouth, ill-fated, ill-starred, ill-omened, adverse, untoward, disastrous, calamitous, ruinous, dire, deplorable.

N  mental suffering, pain, dolor, suffering, sufferance, ache, smart, passion, displeasure, dissatisfaction, discomfort, discomposure, disquiet, malaise, inquietude, uneasiness, vexation of spirit, taking, discontent, dejection, weariness, anhedonia, annoyance, irritation, worry, infliction, visitation, plague, bore, bother, botheration, stew, vexation, mortification, chagrin, esclandre, mauvais quart d'heur, care, anxiety, solicitude, trouble, trial, ordeal, fiery ordeal, shock, blow, cark, dole, fret, burden, load, concern, grief, sorrow, distress, affliction, woe, bitterness, heartache, carking cares, heavy heart, aching heart, bleeding heart, broken heart, heavy affliction, gnawing grief, unhappiness, infelicity, misery, tribulation, wretchedness, desolation, despair, extremity, prostration, depth of misery, nightmare, ephialtes, incubus, pang, anguish, agony, torture, torment, purgatory, hell upon earth, iron age, reign of terror, slough of despond, peck of troubles, ills that flesh is heir to, miseries of human life, unkindest cut of all, sufferer, victim, prey, martyr, object of compassion, wretch, shorn lamb, in pain, in a state of pain, full of pain, suffering, pained, afflicted, worried, displeased, aching, griped, sore, on the rack, in limbo, between hawk and buzzard, uncomfortable, uneasy, ill at ease, in a taking, in a way, disturbed, discontented, out of humor, weary, heavy laden, stricken, crushed, a prey to, victimized, ill-used, unfortunate, to be pitied, doomed, devoted, accursed, undone, lost, stranded, fey, unhappy, infelicitous, poor, wretched, miserable, woe-begone, cheerless, careworn, concerned, sorry, sorrowing, sorrowful, cut up, chagrined, horrified, horror-stricken, in grief, plunged in grief, a prey to grief, in tears, steeped to the lips in misery, heart-stricken, heart-broken, heart-scalded, broken-hearted, in despair, the iron entered into our soul, haeret lateri lethalis arundo, one's heart bleeding, down, thou climbing sorrow, mirth cannot move a soul in agony, nessun maggior dolere che ricordarsi del tempo fel, sorrow's crown of sorrow is remembering happier th, the Niobe of Nations.

pedal extremity