grinding Synonyms

abrasion attrition detrition powdering screeching scrubbing serious severe shafting sharpening sharpen shredding slicking smoothing squeak scratching scrape pulverization punishing pyrotic rasping rasp rough rubbing rugged sanding sandpaper scouring scraping sticky stridor abrader friction fragmentation backbreaking gruelling pulverisation bulgur frottage shredder outercourse sander whet weighty wearying strop thorny tight toilful toilsome