"abrasive" in the noun sense
1. abrasive, abradant, abrasive material
a substance that abrades or wears down
"abrasive" in the adjective sense
1. abrasive, scratchy
causing abrasion
2. harsh, abrasive
sharply disagreeable rigorous
"the harsh facts of court delays"
"an abrasive character"
Source: WordNet® (An amazing lexical database of English)
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