gnarly

(adjective)

adjective

1. used of old persons or old trees; covered with knobs or knots

Similar word(s): crooked, gnarled, knobbed, knotted, knotty

2. (US slang) unpleasant, awful, ugly.

- We're talking about a really bad and gnarly car crash.

3. (slang) excellent, impressive.

- the North Shore has some really gnarly waves.

Sentences with gnarly as an adjective:

- On the right of the station were two gnarly cottonwood trees... — Mark Goodwin, Last Words