An extra component of a machine or other apparatus.

synonym: spare part.

Dutch: reserveonderdeel
Polish: część zamienna

An extra car wheel and tire for a four-wheel vehicle.

synonym: fifth wheel.

Dutch: reservewiel

A score in tenpins; knocking down all ten after rolling two balls.

Refrain from harming.

synonym: save.

Roget 623: abstain, refrain, spare, not attempt; not do etc. 681; maintain the even tenor of one's way.    eschew, keep from, let alone, have nothing to do with; keep aloof keep off, stand aloof, stand off, hold aloof, hold off; take no part in, have no hand in.    avoid, shun; steer clear of, keep clear of; fight shy of; keep one's distance, keep at a respectful distance; keep out of the way, get out of the way; evade, elude, turn away from; set one's face against etc. (oppose) 708; deny oneself.    shrink back; hang back, hold back, draw back; recoil etc. 277; retire etc. (recede) 287; flinch, blink, blench, shy, shirk, dodge, parry, make way for, give place to.    beat a retreat; turn tail, turn one's back; take to one's heels; runaway, run for one's life; cut and run; be off like a shot; fly, flee; fly away, flee away, run away from; take flight, take to flight; desert, elope; make off, scamper off, sneak off, shuffle off, sheer off; break away, tear oneself away, slip away, slink away, steel away, make away from, scamper away from, sneak away from, shuffle away from, sheer away from; slip cable, part company, turn one's heel; sneak out of, play truant, give one the go by, give leg bail, take French leave, slope, decamp, flit, bolt, abscond, levant, skedaddle, absquatulat [U.S.], cut one's stick, walk one's chalks, show a light pair of heels, make oneself scarce; escape etc. 671; go away etc. (depart) 293; abandon etc. 624; reject etc. 610.    lead one a dance, lead one a pretty dance; throw off the scent, play at hide and seek.    ... show more

Roget 681: not do, not act, not attempt; be inactive etc. 683; abstain from doing, do nothing, hold, spare; not stir, not move, not lift a finger, not lift a foot, not lift a peg; fold one's arms, fold one's hands; leave alone, let alone; let be, let pass, let things take their course, let it have its way, let well alone, let well enough alone; quieta non movere [Lat.]; stare super antiquas vias [Lat.]; rest and be thankful, live and let live; lie rest upon one's oars; laisser aller [Fr.], faire [Fr.]; stand aloof; refrain etc. (avoid) 623, keep oneself from doing; remit one's efforts, relax one's efforts; desist etc. (relinquish) 624; stop etc. (cease) 142; pause etc. (be quiet) 265.    wait, lie in wait, bide one's time, take time, tide it over.    cool one's heels, kick one's heels; while away the time, while away tedious hours; pass the time, fill up the time, beguile the time; talk against time; let the grass grow under one's feet; waste time etc. (inactive) 683.    lie by, lie on the shelf, lie in ordinary, lie idle, lie to, lie fallow; keep quiet, slug; have nothing to do, whistle for want of thought.    undo, do away with; take down, take to pieces; destroy etc. 162.    ... show more

Roget 953: be temperate etc. adj.; abstain, forbear, refrain, deny oneself, spare, swear off.    know when one has had enough, know one's limit.    take the pledge, go on the wagon.    ... show more

Save or relieve from an experience or action.

Give up what is not strictly needed:
— He asked if they could spare one of their horses to speed his journey.

synonyms: dispense with, give up, part with.

Roget 784: deliver, hand, pass, put into the hands of; hand over, make over, deliver over, pass over, turn over; assign dower.    present, give away, dispense, dispose of; give out, deal out, dole out, mete out, fork out, squeeze out.    pay etc. 807; render, impart, communicate.    concede, cede, yield, part with, shed, cast; spend etc. 809.    give, bestow, confer, grant, accord, award, assign.    intrust, consign, vest in.    make a present; allow, contribute, subscribe, furnish its quota.    invest, endow, settle upon; bequeath, leave, devise.    furnish, supply, help; administer to; afford, spare; accommodate with, indulge with, favor with; shower down upon; lavish, pour on, thrust upon.    tip, bribe; tickle the palm, grease the palm; offer etc. 763; sacrifice, immolate.    ... show more

Roget 678: not use; do without, dispense with, let alone, not touch, forbear, abstain, spare, waive, neglect; keep back, reserve.    lay up, lay by, lay on the shelf, keep on the shelf, lay up in ordinary; lay up in a napkin; shelve; set aside, put aside, lay aside; disuse, leave off, have done with; supersede; discard etc. (eject) 297; dismiss, give warning.    throw aside etc. (relinquish) 782; make away with etc. (destroy) 162; cast overboard, heave overboard, throw overboard; cast to the dogs, cast to the winds; dismantle etc. (Render useless) 645.    lie unemployed, remain unemployed etc. adj. ... show more

Roget 782: relinquish, give up, surrender, yield, cede; let go, let slip; spare, drop, resign, forego, renounce, abandon, expropriate^†, give away, dispose of, part with; lay aside, lay apart, lay down, lay on the shelf etc. (disuse) 678; set aside, put aside, put away; make away with, cast behind; maroon.    give notice to quit, give warning; supersede; be rid of, get rid of, be quit of, get quit of; eject etc. 297.    rid oneself of, disburden oneself of, divest oneself of, dispossess oneself of; wash one's hands of.    discard, cast off, dismiss; cast away, throw away, pitch away, fling away, cast aside, cast overboard, cast to the dogs, throw aside, throw overboard, throw to the dogs, pitch aside, pitch overboard, pitch to the dogs, fling aside, fling overboard, fling to the dogs; cast to the winds, throw to the winds, sweep to the winds; put away, turn away, sweep away; jettison; reject.    quit one's hold, quitclaim.    ... show more

Roget 927a: be exempt etc. adj.. exempt, release, acquit, discharge, quitclaim, remise, remit; free, set at liberty, let off, pass over, spare, excuse, dispense with, give dispensation, license; stretch a point; absolve etc. (forgive) 918; exonerate etc. (exculpate) 970; save the necessity.    ... show more

Use frugally or carefully.

Thin and fit:
— The spare figure of a marathon runner.

synonym: trim.

Roget 817: economical, frugal, careful, thrifty, saving, chary, spare, sparing; parsimonious etc. 819.    underpaid.   

Roget 193: little; small etc. (in quantity) 32; minute, diminutive, microscopic; microzoal; inconsiderable etc. (unimportant) 643; exiguous, puny, tiny, wee, petty, minikin^†, miniature, pygmy, pigmy^†, elfin; undersized; dwarf, dwarfed, dwarfish; spare, stunted, limited; cramp, cramped; pollard, Liliputian, dapper, pocket; portative^†, portable; duodecimo^†; dumpy, squat; short etc. 201.    impalpable, intangible, evanescent, imperceptible, invisible, inappreciable, insignificant, inconsiderable, trivial; infinitesimal, homoeopathic^†; atomic, subatomic, corpuscular, molecular; rudimentary, rudimental; embryonic, vestigial.    weazen^†, scant, scraggy, scrubby; thin etc. (narrow) 203; granular etc. (powdery) 330; shrunk etc. 195; brevipennate^†.    ... show more

More than is needed, desired, or required:
— Sleeping in the spare room.

synonyms: excess, extra, redundant, supererogatory, superfluous, supernumerary, surplus.

Roget 636: stored etc. v.; in store, in reserve, in ordinary; spare, supernumerary.   

Roget 641: redundant; too much, too many; exuberant, inordinate, superabundant, excessive, overmuch, replete, profuse, lavish; prodigal etc. 818; exorbitant; overweening; extravagant; overcharged etc. v.; supersaturated, drenched, overflowing; running over, running to waste, running down.    crammed to overflowing, filled to overflowing; gorged, ready to burst; dropsical, turgid, plethoric; obese etc. 194.    superfluous, unnecessary, needless, supervacaneous^†, uncalled for, to spare, in excess; over and above etc. (remainder) 40; de trop [Fr.]; adscititious etc. (additional) 37; supernumerary etc. (reserve) 636; on one's hands, spare, duplicate, supererogatory, expletive; un peu fort [Fr.].    ... show more

Polish: zbytni

Not taken up by scheduled activities:
— Spare time on my hands.

synonym: free.

Kept in reserve especially for emergency use.

Polish: zapasowy, rezerwowy

Lacking in magnitude or quantity:
— A spare diet.

synonyms: bare, scanty.

Roget 203: narrow, close; slender, thin, fine; thread-like etc. (filament) 205; finespun^†, gossamer; paper-thin; taper, slim, slight-made; scant, scanty; spare, delicate, incapacious^†; contracted etc. 195; unexpanded etc. (expand) etc. 194^†; slender as a thread.    [in reference to people or animals] emaciated, lean, meager, gaunt, macilent^†; lank, lanky; weedy, skinny; scrawny slinky [U.S.]; starved, starveling; herring gutted; worn to a shadow, lean as a rake [Chaucer]; thin as a lath, thin as a whipping post, thin as a wafer; hatchet-faced; lantern-jawed.    attenuated, shriveled, extenuated, tabid^†, marcid^†, barebone, rawboned.    monomolecular.    ... show more

Roget 640: insufficient, inadequate; too little etc. 32; not enough etc. 639; unequal to; incompetent etc. (impotent) 158; weighed in the balance and found wanting;" perfunctory etc. (neglect) 460; deficient etc. (incomplete) 53; wanting, etc. v.; imperfect etc. 651; ill-furnished, ill-provided, ill-stored, ill-off.    slack, at a low ebb; empty, vacant, bare; short of, out of, destitute of, devoid of, bereft of etc. 789; denuded of; dry, drained.    unprovided, unsupplied^†, unfurnished; unreplenished, unfed^†; unstored^†, untreasured^†; empty-handed.    meager, poor, thin, scrimp, sparing, spare, stinted; starved, starving; halfstarved, famine-stricken, famished; jejune.    scant etc. (small) 32; scarce; not to be had, not to be had for love or money, not to be had at any price; scurvy; stingy etc. 819; at the end of one's tether; without resources etc. 632; in want etc. (poor) 804; in debt etc. 806.    ... show more

Lacking embellishment or ornamentation.

synonyms: bare, plain, unembellished, unornamented.