1a crushing or grating sound or motion:the crunch and grind of bulldozers figurativethe slow grind of the US legal system
the size of ground particles:only the right grind gives you all the fine flavour
2hard dull work:relief from the daily grind
US informal an excessively hard-working student.
Irish a private tuition class:experienced teacher offers grinds in Maths and Irish, to all levels
3 informal a dancer’s erotic gyration of the hips:a bump and grind
British vulgar slang, dated an act of sexual intercourse.
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Universal
1 [with object] reduce (something) to small particles or powder by crushing it:grind some black pepper over the saladshe ground up the rice prior to boiling
sharpen, smooth, or produce (something) by crushing or by friction:power from a waterwheel was used to grind cutlery
operate (a mill or machine) by turning the handle:she was grinding a coffee mill
[no object] (of a mill or machine) work with a crushing action:the old mill was grinding again
2rub or cause to rub together gratingly: [no object]:tectonic plates that inexorably grind against each other [with object]:he keeps me awake at night, grinding his teeth
[with object] press or rub (something) into a surface:she ground a half-smoked cigarette into the ashtray
[no object, with adverbial] move noisily and laboriously:the truck was grinding slowly up the hill
3 [no object] informal (of a dancer) gyrate the hips erotically:go-go girls grinding to blaring disco
British vulgar slang, dated have sexual intercourse.
grind to a halt (or come to a grinding halt)
slow down gradually and then stop completely:in summer traffic all but grinds to a haltthe surge of modernism finally seemed to grind to a halt
grind away
work or study hard:he began to grind away in a job as a research assistant
grind someone down
wear someone down with continuous harsh treatment:mundane everyday things which just grind people down
grind on
continue for a long time in a wearying or tedious way:the rail talks grind on
grind something out
produce something dull or tedious slowly and laboriously:the band was grinding out the inevitable summer songs
