in a raw or unprepared state; unrefined or natural

crude sugar.

lacking in intellectual subtlety, perceptivity, etc.; rudimentary; undeveloped.

lacking finish, polish, or completeness

a crude summary.

lacking culture, refinement, tact, etc.

crude behavior.

undisguised; blunt

a crude answer.

Obsolete . unripe; not mature.

crude oil.

adjective

gentle , nice , polished , refined , tasteful , formal , planned , sophisticated , stilted

adjective

awkward , backward , barnyard * , boorish , cheap , cloddish , clumsy , coarse , crass , dirty , earthy , filthy , foul , grody , gross * , ignorant , ill-bred , indecent , indelicate , inelegant , insensible , lewd , loud , loud-mouthed , loutish , lowbred , oafish , obscene , raunchy * , raw , rough , rude , savage , smutty * , tacky * , tactless , uncouth , unenlightened , ungainly , unskillful , amateurish , callow , green , harsh , homemade , homespun , immature , impure , inexpert , in the rough , makeshift , outline , prentice , primitive , rough-hewn , rudimentary , rustic , simple , sketchy , thick , undeveloped , unfinished , unformed , ungraded , unmatured , unmilled , unpolished , unprepared , unprocessed , unproficient , unsorted , untaught , untrained , unworked , unwrought , native , unrefined , barbarian , barbaric , churlish , gross , philistine , tasteless , uncivilized , uncultivated , uncultured , vulgar , artless , basic , gauche , impolite , inapt , inartistic , incomplete , incondite , incult , inelaborate , inept , primordial , randy , raunchy , unsophisticated