From WordNet (r) 2.0 (August 2003) [wn]:
unstoppable
adj : not capable of being stopped; "as unstoppable as the wind"
[ant: stoppable]
From WordNet (r) 2.0 (August 2003) [wn]:
unstoppable
adj : not capable of being stopped; "as unstoppable as the wind"
[ant: stoppable]