The word 'crude' describes something in its raw, unrefined, or natural state, lacking elegance or sophistication.
It can refer to a substance that has not been processed or purified, like crude oil.
'Crude' can also describe something poorly made or executed, lacking finesse or skill. Furthermore, it can characterize behavior or language as vulgar, offensive, or lacking sensitivity. The specific meaning depends heavily on the context in which it is used, indicating a lack of refinement in either physical form, craftsmanship, or manners.
RAW OIL
RUDE
ROUGH CRASS SALTY BLUNT STARK GROSS BASIC
COARSE VULGAR EARTHY
UNCOUTH ROCKOIL BOORISH
CRUDEOIL
TASTELESS PRIMITIVE FOSSILOIL PETROLEUM UNREFINED
RUDIMENTARY NEANDERTHAL UNPROCESSED