definition of
uncontrollable

[1] #1 uncontrollable s. [unmanageable] difficult to solve or alleviate; "uncontrollable pain". wn

[2] #2 uncontrollable s. [uncorrectable, unmanageable] incapable of being controlled or managed; "uncontrollable children"; "an uncorrectable habit". wn

[3] #3 uncontrollable s. [irrepressible] impossible to repress or control; "an irrepressible chatterbox"; "uncontrollable laughter". wn