1. crude, crude oil, fossil oil, oil, petroleum, rock oil

a dark oil consisting mainly of hydrocarbons

• crude oil
• fossil oil
• oil
• petroleum
• rock oil

2. crude, rough

not carefully or expertly made

Example Sentences:
'managed to make a crude splint'
'a crude cabin of logs with bark still on them'
'rough carpentry'

• rough

3. crude, earthy, gross, vulgar

conspicuously and tastelessly indecent

Example Sentences:
'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'

• earthy
• gross
• vulgar

4. crude, unprocessed, unrefined

not refined or processed

Example Sentences:
'unrefined ore'
'crude oil'

• unprocessed
• unrefined

5. crude, primitive, rude

belonging to an early stage of technical development; characterized by simplicity and (often) crudeness

Example Sentences:
'the crude weapons and rude agricultural implements of early man'
'primitive movies of the 1890s'
'primitive living conditions in the Appalachian mountains'

• primitive
• rude

6. blunt, crude, stark

devoid of any qualifications or disguise or adornment

Example Sentences:
'the blunt truth'
'the crude facts'
'facing the stark reality of the deadline'

• blunt
• stark

• unconditional
• unconditioned

7. crude, raw

not processed or subjected to analysis

Example Sentences:
'raw data'
'the raw cost of production'
'only the crude vital statistics'

• raw