Advanced maybe?
The opposite of civilized could "Primitive"
basic, elementary, first, original, primary,early
a sentence for the word primitive
The comparative form of "primitive" is "more primitive."
The opposite of primitive is advanced or sophisticated. Primitive refers to something basic, undeveloped, or in its earliest stage of existence. In contrast, advanced denotes a higher level of complexity, refinement, or progress in a particular field or context.
the shirt was primitive for it was plain
most primitive
The prefix of the word "primitive" is "pre-."
A 'primitive' facility might be considered the opposite of a 'state of the art' facility. A facility which has few tools to work with.
Example sentence - The landscape appeared primitive, yet inviting.
Primitive has a base in the word "Primate", so something that is more primitive is something more unsophisticated or savage.
He had primitive interests and ideas of living.Hope I was a help!