a. [ Compar. Cruder superl. Crudest. ] [ L. crudus raw; akin to cruor blood (which flows from a wound). See Raw, and cf. Cruel. ] 1. 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. “Common crude salt.” Boyle. [ 1913 Webster ]

Molding to its will each successive deposit of the crude materials. I. Taylor. [ 1913 Webster ]

2. Unripe; not mature or perfect; immature. [ 1913 Webster ]

I come to pluck your berries harsh and crude. Milton. [ 1913 Webster ]

3. Not reduced to order or form; unfinished; not arranged or prepared; ill-considered; immature. “Crude projects.” Macaulay. [ 1913 Webster ]

Crude, undigested masses of suggestion, furnishing rather raw materials for composition. De Quincey. [ 1913 Webster ]

The originals of Nature in their crude
Conception. Milton. [ 1913 Webster ]

4. Undigested; unconcocted; not brought into a form to give nourishment. “Crude and inconcoct.” Bacon. [ 1913 Webster ]

5. Having, or displaying, superficial and undigested knowledge; without culture or profundity; as, a crude reasoner. [ 1913 Webster ]

6. (Paint.) Harsh and offensive, as a color; tawdry or in bad taste, as a combination of colors, or any design or work of art. [ 1913 Webster ]

adv. In a crude, immature manner. [ 1913 Webster ]

n. A crude, undigested, or unprepared state; rawness; unripeness; immatureness; unfitness for a destined use or purpose; as, the crudeness of iron ore; crudeness of theories or plans. [ 1913 Webster ]