Grim - definition of grim by The Free Dictionary
https://www.thefreedictionary.com/grim
Adj. 1. grim - not to be placated or appeased or moved by entreaty; "grim determination"; "grim necessity"; "Russia's final hour, it seemed, approached with inexorable certainty"; "relentless persecution"; "the stern demands of parenthood". inexorable, relentless, unappeasable, unrelenting, unforgiving, stern.
DA: 21 PA: 65 MOZ Rank: 41