Akademik

crude
adj. & n.
—adj.
1 a in the natural or raw state; not refined. b rough, unpolished; lacking finish.
2 a (of an action or statement or manners) rude, blunt. b offensive, indecent (a crude gesture).
3 a Statistics (of figures) not adjusted or corrected. b rough (a crude estimate).
—n. natural mineral oil.
Derivatives:
crudely adv. crudeness n. crudity n.
Etymology: ME f. L crudus raw, rough

Useful english dictionary. 2012.