Gruelling is a synonym of racking.
As an adjective gruelling
is so difficult or taxing as to make one exhausted; backbreaking.
As a noun racking is
a method of asphalt shingle application, whereby shingle courses are applied vertically, up the roof rather than laterally across and up.
As a verb racking is
.
gruelling
English
Alternative forms
* grueling
Adjective
(
en adjective)
So difficult or taxing as to make one exhausted; backbreaking.
Synonyms
* (so difficult or taxing as to make one exhausted) backbreaking, exhausting
racking
English
Noun
A method of asphalt shingle application, whereby shingle courses are applied vertically, up the roof rather than laterally across and up.
spun yarn used in racking ropes
The process of clarifying, and thereby deterring further fermentation of, beer, wine or cider by draining or siphoning it from the dregs.
Synonyms
* (roofing) straight-up method
Verb
(head)
Anagrams
*
*