noun

1. Any substance in its natural state.

2. Crude oil.

adjective

1. In a natural, untreated state.

   “crude oil”

2. Characterized by simplicity, especially something not carefully or expertly made.

   “a crude shelter”

3. Lacking concealing elements.

   “a crude truth”

Synonyms: raw, blunt, immature, unripe, obvious, primitive, raw