Homogenous describes things that are all of the similar kind. If you have a homogenous group of friends, you probably wear the same outfits, talk the same way, live in the same kind of neighborhood, and like the same music. Boring.

Homogenous comes from the Greek for "same kind." It used to only mean people who had the same ancestors, but in English we use it for anything that is characterized by sameness. You might live in a homogenous neighborhood, where everyone makes the same amount of money and drives the same kind of car. The opposite of homogenous is heterogenous, which means "many kinds."

Definitions of homogenous

adj all of the same or similar kind or nature

not diversified
consistent, uniform
the same throughout in structure or composition
of one substance or character throughout
self-colored, self-coloured, solid
of the same color throughout
homogenised, homogenized
made homogeneous
uniform, unvarying
always the same; showing a single form or character in all occurrences
closely similar or comparable in kind or quality or quantity or degree
heterogeneous, heterogenous
consisting of elements that are not of the same kind or nature
having variety of character or form or components; or having increased variety
assorted, miscellaneous, mixed, motley, sundry
consisting of a haphazard assortment of different kinds
including markedly dissimilar elements
inhomogeneous, nonuniform
not homogeneous
unlike in nature or quality or form or degree
characterized by variety
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