1) Different 2) Distinct in kind 3) Entirely unalike 4) Essentially different 5) Markedly unalike 6) Quite different 7) Totally unlike 1) Different 2) Heterogeneous 3) Heterogenous 4) Motley 5) Opposite 6) Unconnected 7) Uneven 8) Unlike 
• (a.) Unequal; dissimilar; separate. • (a.) Pertaining to two coordinate species or divisions.
Dis'pa·rate adjective [ Latin disparatus , past participle of disparare to part, separate; dis- + parare to make ready, prepare.] 1. Unequal; dissimilar; separate. « Connecting disparate thoughts, purely by means of resemblances in the words expressin...
essentially different 
Type: Term Pronunciation: dis′pa-răt Definitions: 1. Unequal; not alike.
[adj] - fundamentally different or distinct in quality or kind 2. [adj] - including markedly dissimilar elements
adjective including markedly dissimilar elements; `a disparate aggregate of creeds and songs and prayers`
(Lat. dis + par. equal) (a) In psychology and epistemology: a term descriptive of the qualitative heterogeneity between sensations of different senses. Sensations of the same sense (e.g. a red and a green color patch) are dissimilar (see Similarity; Resemblance), sensations of different senses (e.g. a red patch and a cold surface) are disparate. T....
distinct in kind; essentially different; dissimilar: disparate ideas.
fundamentally different or distinct in quality or kind