The Collaborative International Dictionary
noncollapsable
noncollapsable \noncollapsable\ noncollapsible \noncollapsible\adj. 1. not able to be folded into a compact form. Opposite of collapsible. [Narrower terms: nontelescopic, nontelescoping]
WordNet
noncollapsable
adj. not capable of collapsing [syn: noncollapsible] [ant: collapsible]