"unpolished" in the adjective sense
1. unpolished
not carefully reworked or perfected or made smooth by polishing
"dull unpolished shoes"
2. gauche, graceless, unpolished
lacking social polish
"too gauche to leave the room when the conversation became intimate"
"their excellent manners always made me feel gauche"
Source: WordNet® (An amazing lexical database of English)
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