verb, ground or (Rare
) grind⋅ed; grind⋅ing; noun | 1. | to wear, smooth, or sharpen by abrasion or friction; whet: to grind a lens. |
| 2. | to reduce to fine particles, as by pounding or crushing; bray, triturate, or pulverize. |
| 3. | to oppress, torment, or crush: to grind the poor. |
| 4. | to rub harshly or gratingly; grate together; grit: to grind one's teeth. |
| 5. | to operate by turning a crank: to grind a hand organ. |
| 6. | to produce by crushing or abrasion: to grind flour. |
| 7. | Slang. to annoy; irritate; irk: It really grinds me when he's late. |
| 8. | to perform the operation of reducing to fine particles. |
| 9. | to rub harshly; grate. |
| 10. | to be or become ground. |
| 11. | to be polished or sharpened by friction. |
| 12. | Informal. to work or study laboriously (often fol. by away): He was grinding away at his algebra. |
| 13. | Slang. (in a dance) to rotate the hips in a suggestive manner. Compare bump (def. 11). |
| 14. | the act of grinding. |
| 15. | a grinding sound. |
| 16. | a grade of particle fineness into which a substance is ground: The coffee is available in various grinds for different coffee makers. |
| 17. | laborious, usually uninteresting work: Copying all the footnotes was a grind. |
| 18. | Informal. an excessively diligent student. |
| 19. | Slang. a dance movement in which the hips are rotated in a suggestive or erotic manner. Compare bump (def. 20). |
| 20. | grind out,
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grinding grind·ing (grīn'dĭng)
n.
The pathological wearing away of tooth substance by mechanical means.