- incapable of being controlled or restrained: uncontrollable anger.
- something, as an obligation, that cannot be controlled, reduced, or dispensed with: the uncontrollables in the new federal budget.
- incapable of being controlled or managed
adj.1570s, “irrefutable,” from un- (1) “not” + controllable. From 1590s as “not subject to authority;” meaning “that cannot be restrained” is from 1640s. Related: Uncontrollably.