The most common and most likely answer to this crossword clue is the 5 letter word RACKS
I've seen this crossword clue in The Guardian
R
A
C
K
S
More clues leading to the result RACKS
Buddy explains!

The straight part
We know that "Torments" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case torments = racks.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RACKS mean?
RACKS noun- A series of one or more shelves, stacked one above the other
- Any of various kinds of frame for holding luggage or other objects on a vehicle or vessel.
- A device, incorporating a ratchet, used to torture victims by stretching them beyond their natural limits.
- A piece or frame of wood, having several sheaves, through which the running rigging passes.
- A bunk.
- (by extension) Sleep.
- A distaff.
- A bar with teeth on its face or edge, to work with those of a gearwheel, pinion#, or worm, which is to drive or be driven by it.
- A bar with teeth on its face or edge, to work with a pawl as a ratchet allowing movement in one direction only, used for example in a handbrake or crossbow.
- A cranequin, a mechanism including a rack, pinion and pawl, providing both mechanical advantage and a ratchet, used to bend and cock a crossbow.
- A set of antlers (as on deer, moose or elk).
- A cut of meat involving several adjacent ribs.
- A hollow triangle used for aligning the balls at the start of a game.
- A woman's breasts.
- A friction device for abseiling, consisting of a frame with five or more metal bars, around which the rope is threaded.
- A climber's set of equipment for setting up protection and belays, consisting of runners, slings, carabiners, nuts, Friends, etc.
- A grate on which bacon is laid.
- That which is extorted; exaction.
- A set with a distributive binary operation whose result is unique.
- A thousand pounds (£1,000), especially such proceeds of crime
- To place in or hang on a rack.
- To torture (someone) on the rack.
- To cause (someone) to suffer pain.
- To stretch or strain; to harass, or oppress by extortion.
- To put the balls into the triangular rack and set them in place on the table.
- To strike a male in the testicles.
- To (manually) load (a round of ammunition) from the magazine or belt into firing position in an automatic or semiautomatic firearm.
- To move the slide bar on a shotgun in order to chamber the next round.
- To wash (metals, ore, etc.) on a rack.
- To bind together, as two ropes, with cross turns of yarn, marline, etc.
- (structural engineering) Tending to shear a structure (that is, force it to move in different directions at different points).
- To stretch a person's joints.
- To drive; move; go forward rapidly; stir
- To fly, as vapour or broken clouds
- To clarify, and thereby deter further fermentation of, beer, wine or cider by draining or siphoning it from the dregs.
- A fast amble.
- (of a horse) To amble fast, causing a rocking or swaying motion of the body; to pace.
- A wreck; destruction.
- A young rabbit, or its skin.