DictionaryinflateExpansion with air or gas
verb

inflate

in-FLAYT/ɪnˈfleɪt/

To expand something by forcing gas into it.

She uses a small hand pump to inflate the bike tire.

Person pumps a bicycle tire with a floor pump, intact hose attaches to wheel valve.
Etymology

To blow into something is to make it swell. That physical enlargement also supplies the image for making a price, amount, or claim larger than it should be.

In context

Luke Ford Livestreams96:03
most of us tend to inflate the importance of attitudes, dispositions, and we tend to neglect the importance of situations in explaining behavior.
Integrated: Living Beyond the Sex Trade (7-20-21)

More examples

  • We inflate the balloons with helium before the party.
  • The life jacket inflates when you pull the cord.
  • Do not inflate the air mattress beyond its recommended pressure.

Forms

inflate · inflates · inflated · inflating

inflatable adjective — Designed to expand when filled with gas.

inflation noun — Expansion caused by filling with gas.

Similar words

expand
Means make larger, without specifying how the enlargement happens.
fill
Means put something inside, without necessarily making it expand.