crude

adjective

not processed or subjected to analysis

raw
conspicuously and tastelessly indecent

grossearthyvulgar
belonging to an early stage of technical development
“characterized by simplicity and (often) crudeness”
primitive
not refined or processed

unprocessedunrefined
not carefully or expertly made
“managed to make a crude splint”
rough
devoid of any qualifications or disguise or adornment

starkblunt

noun

a dark oil consisting mainly of hydrocarbons

oilpetroleumcrude oilrock oilfossil oil