[{"Bold_text": "verb (used with object)", "List Items": ["to wear, smooth, or sharpen by abrasion or friction; whet :to grind a lens.", "to reduce to fine particles, as by pounding or crushing; bray, triturate, or pulverize.Synonyms: pound , comminute , powder , crush", "to oppress, torment, or crush:to grind minimum-wage employees.Synonyms: maltreat , persecute , afflict , plague", "to rub harshly or gratingly; grate together; grit :to grind one's teeth.Synonyms: abrade", "to operate by turning a crank:to grind a hand organ.", "to produce by crushing or abrasion:to grind flour.", "Slang.to annoy ; irritate ; irk :It really grinds me when he's late."]}, {"Bold_text": "verb (used without object)", "List Items": ["to perform the operation of reducing to fine particles.", "to rub harshly; grate .", "to be or become ground.", "to be polished or sharpened by friction.", "Informal.to work or study laboriously (often followed byaway):He was grinding away at his algebra.", "Digital Technology.(in a video game) to perform a monotonous task repeatedly in order to advance a character to a higher level or rank:You have to grind for hours before you can embark on the main story mission.", "Slang.(in a dance) to rotate the hips in a suggestive manner.Compare bump(def12) bump(def12)."]}, {"Bold_text": "noun", "List Items": ["the act of grinding.", "a grinding sound.", "a grade of particle fineness into which a substance is ground:The coffee is available in various grinds for different coffee makers.", "laborious, usually uninteresting work:Copying all the footnotes was a grind.", "Informal.an excessively diligent student.", "Slang.a dance movement in which the hips are rotated in a suggestive or erotic manner.Compare bump(def21) bump(def21)."]}, {"Bold_text": "verb phrase", "List Items": ["to produce in a routine or mechanical way:to grind out magazine stories.to extinguish by rubbing the lighted end against a hard surface:to grind out a cigarette.", "to produce in a routine or mechanical way:to grind out magazine stories.", "to extinguish by rubbing the lighted end against a hard surface:to grind out a cigarette."]}]