inflatable

UK: /ɪnˈfleɪtəb^əl/ US: (in flā′tə bəl)

WordReference Random House Unabridged Dictionary of American English © 2025

in•flat•a•ble  (in flā′tə bəl), adj. 

1. capable of being inflated.
2. designed or built to be inflated before use.

n. 

3. Nautical, Naval Terms an inflatable object, device, or structure, esp. a small rubber boat that is inflated with air.

• inflate + -able 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::

inflatable / ɪnˈfleɪtəb^əl/ noun

1. any of various large air-filled objects made of strong plastic or rubber, used for children to play on at fairs, carnivals, etc

adjective

1. capable of being inflated

WordReference Random House Learner's Dictionary of American English © 2025

in•flate /ɪnˈfleɪt/   v., -flat•ed, -flat•ing. 

1. to (cause to) be expanded with air or gas: [~ + object]
   Did you inflate the tires to the proper pressure?
   [no object]
   Those balloons inflate easily.
2. to puff up with pride, vanity, etc.:
   [~ + object] He will try to inflate your ego.
3. Business to increase too much, such as the level of prices:
   [~ + object] The company inflated its prices during the oil shortage.

in•flat•a•ble, adj.: 

an inflatable life raft.

See -flat-.

WordReference Random House Unabridged Dictionary of American English © 2025

in•flate  (in flāt′), v., -flat•ed, -flat•ing. 
v.t. 

1. to distend;
   swell or puff out;
   dilate:
   The king cobra inflates its hood.
2. to cause to expand or distend with air or gas:
   to inflate a balloon.
3. to puff up with pride, satisfaction, etc.
4. to elate.
5. Economics, Business to expand (money, prices, an economy, etc.) unduly in amount, value, or size;
   affect with inflation.

v.i. 

6. to become inflated.
7. to increase, esp. suddenly and substantially:
   The $10 subscription has inflated to $25.

• Latin inflātus past participle of inflāre to blow on or into, puff out, equivalent. to in- in-² + flā- blow² + -tus past participle suffix
• 1470–80

in•flat′er, in•fla′tor, n. 
Synonyms

• 1. See expand. 

Antonyms

• 1. deflate.