adj. Capable of collapsing or being collapsed; as, a collapsible boat. [ Narrower terms: telescopic; tip-up ] Also See: folded. Antonym: noncollapsible. Syn. -- collapsable. [ WordNet 1.5 ]
adj. 1. not able to be folded into a compact form. Opposite of collapsible. [ Narrower terms: nontelescopic, nontelescoping ] [ WordNet 1.5 ]