General Opposites:
* Refined: This is a common opposite, suggesting something polished, sophisticated, and well-crafted.
* Elegant: This implies grace, beauty, and sophistication.
* Subtle: This describes something delicate, understated, and not obvious.
* Sophisticated: This conveys a sense of worldliness, knowledge, and refinement.
* Polished: This implies smoothness, smoothness, and a lack of roughness.
Specific Contextual Opposites:
* If "crude" refers to manner, then "courteous," "polite," or "gracious" could be opposites.
* If "crude" refers to art, then "artistic," "beautiful," or "refined" might be suitable.
* If "crude" refers to materials, then "processed," "manufactured," or "finished" could be opposites.
Please provide more context for a more accurate answer. For example, "The painting was crude" would need a different opposite than "His behavior was crude."