Noah Webster's New International Dictionary of the English Language

1. (superl.) In its natural state; not cooked or prepared by fire or heat; undressed; not altered, refined, or prepared for use by any artificial process; raw; as, crude flesh.

2. (superl.) Unripe; not mature or perfect; immature.

3. (superl.) Not reduced to order or form; unfinished; not arranged or prepared; ill-considered; immature.

4. (superl.) Undigested; unconcocted; not brought into a form to give nourishment.

5. (superl.) Having, or displaying, superficial and undigested knowledge; without culture or profundity; as, a crude reasoner.

6. (superl.) Harsh and offensive, as a color; tawdry or in bad taste, as a combination of colors, or any design or work of art.