crude - noun

a dark oil consisting mainly of hydrocarbons

crude - adjective

• not refined or processed
• not carefully or expertly made
• conspicuously and tastelessly indecent
• belonging to an early stage of technical development; characterized by simplicity and (often) crudeness
• devoid of any qualifications or disguise or adornment
• not processed or subjected to analysis

crude - thesaurus

blunt   earthy   gross   oil   petroleum   primitive   raw   rough   rude   stark   unprocessed   unrefined   vulgar