English definition of “sheer”
EXTREME [always before noun] › used to emphasize how strong a feeling or quality is: a look of sheer delight/joy sheer determination/hard work
LARGE [always before noun] › used to emphasize the large size or amount of something: The delays are due to the sheer volume of traffic.
STEEP › very steep: a sheer cliff face
CLOTH › Sheer cloth is very thin and you can see through it: sheer tights/nylons