the GNU version of the Collaborative International Dictionary of English
adj. Destitute of shape or regular form; wanting symmetry of dimensions; misshapen; -- opposed to shapely.
The Century Dictionary and Cyclopedia
Destitute of regular form; wanting symmetry of dimensions; deformed; amorphous.
That has no shaping tendency or effect; that effects nothing.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. having no definite form or distinct shape
adj. lacking symmetry or attractive form
Word Usage
"(And of course one of the obvious reasons why lab coats are pretty shapeless is that they are designed to fit over your clothing, which may or may not be form fitting.)"