As an adjective grimly
is (rare) grim-looking, grim-natured.
As an adverb grimly
is in a grim manner.
As a verb straightening is
As a noun straightening is
the act of making something straight.
(rare) Grim-looking, grim-natured.
* 1973 , Kyril Bonfiglioli, Don't Point That Thing at Me , Penguin (2001), page 94:
- In reality it was the most terrifying sight I had seen to date: two fried eggs decorated with ketchup, Tabasco and chopped chillis in the semblance of a pair of bloodshot eyes – I would as soon have eaten my own leg. I waved the grimly thing away.
The act of making something straight.
* 1899 , Great Britain, Local and Personal Laws (part 1, page 27)
- The lands and sites of houses which may under the provisions of this Act be vested in the Corporation for street widenings and straightenings