inflate

Using your own breath or an air pump, you can inflate a balloon — or anything else you need to pump air into. When you inflate something you fill it with air (or any other gas) to make it expand.

From the Latin verb inflāre, "to blow into," the word inflate appeared in English in the early 16th century. Although we usually think of the word inflate as referring to blowing air or gas into a balloon or a tire, anything that grows larger, from food prices to an egoist's self-image, can be inflated. When an item becomes scarce, its price is likely to be inflated.

Definitions of inflate
  1. verb
    fill with gas or air
    inflate a balloons”
    synonyms: blow up
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    Antonyms:
    deflate
    become deflated or flaccid, as by losing air
    types:
    reflate
    inflate again
    billow, heave, surge
    rise and move, as in waves or billows
    type of:
    expand
    make bigger or wider in size, volume, or quantity
  2. verb
    become inflated
    synonyms: balloon, billow
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    types:
    reflate
    become inflated again
    type of:
    expand
    become larger in size or volume or quantity
  3. verb
    exaggerate or make bigger
    “The charges were inflated
    synonyms: amplify, blow up, expand
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    types:
    puff up
    make larger or distend
    type of:
    increase
    make bigger or more
  4. verb
    cause prices to rise by increasing the available currency or credit
    “The war inflated the economy”
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    Antonyms:
    deflate
    produce deflation in
    types:
    reflate
    economics: raise demand, expand the money supply, or raise prices, after a period of deflation
    type of:
    alter, change, modify
    cause to change; make different; cause a transformation
  5. verb
    increase the amount or availability of, creating a rise in value
    inflate the currency”
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    Antonyms:
    deflate
    reduce or cut back the amount or availability of, creating a decline in value or prices
    type of:
    bring down, cut, cut back, cut down, reduce, trim, trim back, trim down
    cut down on; make a reduction in
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