|Origin:||Probably from Old Norse skærr 'pure'|
used to emphasize that something is very heavy, large etc
the sheer weight/size etc of
The sheer size of the country makes communications difficult.
luck, happiness etc with no other feeling or quality mixed with it [= pure]:
I'll never forget the look of sheer joy on her face.
a sheer drop, cliff, slope etc is very steep and almost vertical
sheer nylon, silk etc is very thin and fine, so that it is almost transparent: