Merriam-Webster Collegiate Dictionary - amorphous

 adjective  Etymology: Greek amorphos, from a- + morphe form  Date: circa 1731  1.  a. having no definite form ; shapeless an ~ cloud mass  b. being without definite character or nature ; unclassifiable an ~ segment of society  c. lacking organization or unity an ~ style of writing  2. having no real or apparent crystalline form an ~ mineral  • ~ly adverb  • ~ness noun