verb
    
    /ˈgraɪnd/  grinds; ground /ˈgraʊnd/; grinding
    
    [+ obj] to crush or break (something) into very small pieces by rubbing it against a rough surface or using a special machine
    
    
    
    
    
    to cut (meat) into small pieces by putting it through a special machine
    
    
    
    usually used in U.S. English in the form ground to describe meat that has been cut into very small pieces
    
    
    
    
    
    to make (something) sharp or smooth by rubbing it against a hard surface [+ obj]
    
    
    
    
    
    [+ obj] :to cause (things) to rub against each other in a forceful way that produces a harsh noise
    
    
    
    
    
    [no obj] :to make a harsh noise caused by rubbing
    
    
    
    [+ obj] :to rub or press (something) against a hard surface
    
    
    
    
    
    grind along
    
    [phrasal verb]
    
    to continue in a slow and steady way
    
    
    
    
    
    grind along (something) :to continue moving down or along (something) in a slow and steady way
    
    
    
    grind away
    
    [phrasal verb]
    
    to work or study in a steady, determined way
    
    
    
    grind away (something) or grind (something) away :to remove (a part of something) by rubbing something rough against it
    
    
    
    grind down
    
    [phrasal verb]
    
    grind down (something) or grind (something) down :to make (something hard) smaller and smoother by gradually rubbing off tiny bits
    
    
    
    grind down (someone or something) or grind (someone or something) down :to weaken or destroy (someone or something) gradually
    
    
    
    
    
    grind on
    
    [phrasal verb]
    
    to continue for a long time - used to describe something unpleasant
    
    
    
    grind out
    
    [phrasal verb]
    
    grind out (something) or grind (something) out :to produce (something, especially something of low quality) quickly as part of a continuous process
    
    
    
    grind to a halt
    
    or come to a grinding halt
    
    of a machine :to stop working or moving forward
    
    
    
    
    
    
    
    noun
    
    plural grinds
    
    [singular] :boring or difficult work
    
    
    
    
    
    [count] US :a person who works or studies too much
    
    
    
    [count] - used to describe the size of the pieces of something that has been ground
    
    
    
    [count] :the act of rotating the hips in a sexual way