1. (

• petroleum ,
• crude_oil ,
• crude ,
• rock_oil ,
• fossil_oil ,
• oil ,

) a dark oil consisting mainly of hydrocarbons ;

1. (

• crude ,
• rough

) not carefully or expertly made; "managed to make a crude splint"; "a crude cabin of logs with bark still on them"; "rough carpentry" ;

2. (

• crude ,
• earthy ,
• gross ,
• vulgar

) conspicuously and tastelessly indecent; "coarse language"; "a crude joke"; "crude behavior"; "an earthy sense of humor"; "a revoltingly gross expletive"; "a vulgar gesture"; "full of language so vulgar it should have been edited" ;

3. (

• unrefined ,
• unprocessed ,
• crude ,

) not refined or processed; "unrefined ore"; "crude oil" ;

4. (

• crude ,
• primitive ,
• rude

) belonging to an early stage of technical development; characterized by simplicity and (often) crudeness; "the crude weapons and rude agricultural implements of early man"; "primitive movies of the 1890s"; "primitive living conditions in the Appalachian mountains" ;

5. (

• blunt ,
• crude ,
• stark

) devoid of any qualifications or disguise or adornment; "the blunt truth"; "the crude facts"; "facing the stark reality of the deadline" ;

6. (

• crude ,
• raw

) not processed or subjected to analysis; "raw data"; "the raw cost of production"; "only the crude vital statistics" ;