different in kind; unlike; incongruous.

composed of parts of different kinds; having widely dissimilar elements or constituents

The party was attended by a heterogeneous group of artists, politicians, and social climbers.

Chemistry . (of a mixture) composed of different substances or the same substance in different phases, as solid ice and liquid water.

adjective

homogeneous , identical , pure , single , unchanging , uniform

adjective

amalgamate , composite , confused , conglomerate , contrary , contrasted , different , discordant , discrepant , disparate , dissimilar , divergent , diverse , diversified , incongruous , independent , inharmonious , jumbled , mingled , mixed , mongrel , mosaic , motley , multifarious , multiplex , odd , opposed , unallied , unlike , unrelated , variant , varied , variegated , assorted , divers , miscellaneous , multiform , sundry , piebald