existing in a natural state and unaltered by processing
crude oil
said of language, behaviour, etc: vulgar; gross
Their table manners were crude to say the least
rough or inexpert in plan or execution
That's the proposal in crude outline
in statistics, tabulated without being broken down into classes
a crude death rate
crudely adv
crudeness noun
crudity noun
[Middle English from Latin crudus raw, rough]