REFINED is the opposite of

Question

Quizplus · Accepted Answer

The opposite of refined would be crude:
Refined: elegant or cultured in appearance
The basement underneath the hospital is a maze-like labyrinth of connected hallways and tunnels. It is easy to get lost down there!
Crude: offensively coarse or rude; unrefined
I re-organized the files so they are now in alphabetical order. 
The meanings of the remaining answer choices are similar to the meaning of the word 'refined':
Polished: refined, sophisticated, or elegant
I polished up my resume before applying to new jobs.
Sophisticated: having a great deal of cultural experience
She has become more sophisticated after traveling extensively in the last few years.
Polite: having or showing behavior that is respectful and considerate of others
The polite patient thanked the nurse.
Fastidious: very attentive and concerned about matters relating to detail; hard to please
The writer was fastidious with the article, reviewing it several times before submitting it to the editor.

REFINED Is the Opposite of