Answer:

CRASS

AnswerCrossword Clue
CRASSUnrefined
CRASSBad-mannered
CRASSBoorish
CRASSTactless
CRASSVulgar
CRASSFar from tactful
CRASSLacking delicacy
CRASSIndelicate
CRASSTacky
CRASSUncouth
CRASSHardly sensitive
CRASSOafish
CRASSInsensitive
CRASSBase in values
CRASSHardly refined
CRASSObtuse
CRASSInsensitive and coarse
CRASSNot sophisticated
CRASSIll-bred
CRASSIll-mannered
CRASSTotally unrefined
CRASSLacking politeness
CRASSLacking couth
CRASSNot very polite
CRASSRude
CRASSImpolite
CRASSCoarse.
CRASSVery stupid.
CRASSCloddish.
CRASSCrude, vulgar.
CRASSGrossly stupid.
CRASSThick-headed.
CRASSVery unrefined.
CRASSObtuse.
CRASSUncouth.
CRASSUnrefined.
CRASSEspecially stupid.
CRASSLacking in refinement.
CRASSMercenary.
CRASSVery obtuse.