The Oxford Thesaurus An A-Z Dictionary of Synonyms - elastic adj.

1) flexible, stretchable, stretchy, stretch, bendable, pliable, springy, plastic, extensile, extensible, expansible, expandable, contractile, resilient, bouncy, compressible: Is it elastic enough to stretch round that box? 2 adjustable, adaptable, accommodating, flexible: The schedule for our main project is elastic, so we can fit in additional tasks at very short notice.