Synonym: balance, bony, dispense with, do without, excess, extra, forego, give up, lanky, lean, leftover, omit, part with, relinquish, remainder, sacrifice, scrawny, skinny, surplus, surrender, thin, yield. Antonym: waste. Similar words: spark, sparse, sparkle, sparrow, spartan, disparage, sparkling, transparent. Meaning: [sper /speə] 
n. 1. an extra component of a machine or other apparatus 2. an extra car wheel and tire for a four-wheel vehicle 3. a score in tenpins; knocking down all ten after rolling two balls. v. 1. refrain from harming 2. save or relieve from an experience or action 3. give up what is not strictly needed 4. use frugally or carefully. adj. 1. thin and fit 2. more than is needed, desired, or required 3. not taken up by scheduled activities 4. kept in reserve especially for emergency use 5. lacking in amplitude or quantity 6. lacking embellishment or ornamentation.
n. 1. an extra component of a machine or other apparatus 2. an extra car wheel and tire for a four-wheel vehicle 3. a score in tenpins; knocking down all ten after rolling two balls. v. 1. refrain from harming 2. save or relieve from an experience or action 3. give up what is not strictly needed 4. use frugally or carefully. adj. 1. thin and fit 2. more than is needed, desired, or required 3. not taken up by scheduled activities 4. kept in reserve especially for emergency use 5. lacking in amplitude or quantity 6. lacking embellishment or ornamentation. 
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1) Better spare at brim than at bottom. 
2) Spare the rod and spoil the child.
3) Spare when you’re young, and spend when you’re old.
4) Spend not where you may save; spare not where you must spend.
5) Better spare to have of thine own, than ask of other man.
6) It is too late to husband [spare] when all is spent.
7) We should spare no effort to beautify our environment.
8) I did it to spare your trouble.
9) Are there any tickets going spare ?
10) Can you spare me a few minutes?
11) In her spare time she read books on cooking.
12) Bring a towel and some spare clothes.
13) We have no spare room.
14) We have a spare bedroom.
15) They asked him to spare the women and children.
16) I still haven't finished painting the spare room.
17) I'm afraid I haven't got any spare cash.
18) Our guests are sleeping in the spare room.
19) They converted the spare bedroom into an office.
20) Do you carry a spare wheel in your car?
21) In his spare time,(http://sentencedict.com/spare.html) he always dreams up new stories.
22) We've got a spare bedroom, if you'd like to stay.
23) I lead a very busy life, so spare time is a very precious commodity to me.
24) It's wise to take a fully charged spare battery with you.
25) The council has some spare cash which it proposes to spend on public amenities.
26) If you have a spare bed, may I stay tonight?
27) Those that make the best use of their time have none to spare.
28) He who spends more than he should, shall not have to spare when he would.
29) He makes a little money on the side by cleaning windows in his spare time.
30) The Liberal candidate romped in with thousands of votes to spare.
More similar words: spark, sparse, sparkle, sparrow, spartan, disparage, sparkling, transparent, disparaging, disparagement, part and parcel, spat, span, spate, space, spathe, spawn, Hispanic, despair, spatula, Spanish, newspaper, dispatch, spacious, hyperspace, thomas paine, spasmodically, spanish armada, spanish inquisition, pare.