I. in ‧ fla ‧ ta ‧ ble 1 /ɪnˈfleɪtəb ə l/ BrE AmE adjective
[ Word Family: adjective : ↑ inflatable , ↑ inflated , ↑ inflationary , ↑ deflationary , ↑ reflationary ; noun : ↑ inflation , ↑ inflatable , ↑ deflation , ↑ reflation ; verb : ↑ inflate , ↑ deflate , ↑ reflate ]
an inflatable object has to be filled with air before you can use it:
an inflatable mattress
II. inflatable 2 BrE AmE noun [countable]
[ Word Family: adjective : ↑ inflatable , ↑ inflated , ↑ inflationary , ↑ deflationary , ↑ reflationary ; noun : ↑ inflation , ↑ inflatable , ↑ deflation , ↑ reflation ; verb : ↑ inflate , ↑ deflate , ↑ reflate ]
an object that has to be filled with air before you can use it, especially a boat or toy