inflate

inflate /ɪnˈfleɪt/ verb
inflates; inflated; inflating
inflate
/ɪnˈfleɪt/
verb
inflates; inflated; inflating
Britannica Dictionary definition of INFLATE
1 
a  [+ object] : to add air or gas to (something, such as a tire or a balloon) and make it larger
b  [no object] : to become larger by being filled with air or gas — opposite deflate
2 
[+ object]
a  : to think or say that (something) is larger or more important than it really is
b  : to cause (a person's ego, reputation, etc.) to become too large or great
3 
: to increase prices, costs, etc., in a way that is not normal or expected
[+ object]
[no object]

— inflatable

/ɪnˈfleɪtəbəl/ adjective