amorphous

 
Pronunciation: /əˈmɔːfəs/

adjective

  • without a clearly defined shape or form: an amorphous, characterless conurbation
  • lacking a clear structure or focus: an amorphous and leaderless legislature
  • Mineralogy & Chemistry (of a solid) not crystalline, or not apparently crystalline: an amorphous polymer

Derivatives

amorphously

adverb

amorphousness

noun

Origin:

mid 18th century: from modern Latin amorphus, from Greek amorphos 'shapeless' (from a- 'without' + morphē 'form') + -ous