Gnarl (noun)
na-rl
A rough, knotty protuberance, especially on a tree.
Early 19th century back-formation from gnarled.
Example sentences
“The large gnarl pushed the two branches out, giving the illusion of splitting the blackthorn in two.”
Mackle (verb) mak-ul to blur, as from a double impression in printing First used in 1585–95. A variant of earlier macle, makle; earlier macule (from the Latin macula, “spot, blemish”).…
Slapdash (adverb) slap-dash in a careless, hasty, or haphazard manner C17: from slap + dash (more…)
The term ‘gnarly’ is used by offroad bikers to refer to riding over really difficult terrain that creates dangers for the riders.