grinding

English

From Middle English gryndynge, equivalent to grind +‎ -ing.

grinding

grinding (countable and uncountable, plural grindings)

The action of grinding together or crushing into small particles; the sound of this action.
Ominous creakings and grindings came from the innards of the machine.
(manufacturing, repair) The action of grinding a workpiece to change its size, shape, and surface finish.
Grinding sometimes involves tight tolerances on the order of a few microns.
(dance) A form of dance in which two people rub their bodies together.
No grinding is allowed on the dance floor at the junior prom: it isn't age-appropriate.
(roleplaying games, gaming) Repeatedly performing the same quest or similar in-game activity in order to amass points or wealth.
(business, informal) The act of doing the daily grind.
A: Hey Bob, how's it goin? B: Meh, I'm tired of grinding, man.

The action of grinding or crushing into small particles

A form of dance

Repeating the same action in a videogame for experience

grinding (not comparable)

Of or pertaining to the act or gratingly sound of grinding.
The meeting came to a grinding halt when the two sides could not agree.
Relentlessly taxing; burdensome; exacting to the point of exhaustion.
A week of filled with grinding toil.
- 1983 April 16, John Kyper, “Cuba: A Little Sex, No Drugs, and Lotsa Rock 'n Roll”, in Gay Community News, page 8:
  I saw none of the grinding poverty to which I had become inured, no beggars, no one passed out in the streets or homeless people forced to camp out in parks and doorways.
(obsolete) Crushing; oppressive; overwhelming.