From WordNet (r) 3.0 (2006) [wn]:
unstoppable
adj 1: not capable of being stopped; "as unstoppable as the
wind" [ant: stoppable]
From WordNet (r) 3.0 (2006) [wn]:
unstoppable
adj 1: not capable of being stopped; "as unstoppable as the
wind" [ant: stoppable]