Very thin or transparent.
Example: "Her light, sheer dress caught everyone’s attention."
Pure in composition; unmixed; unadulterated.
(by extension) downright; complete; pure.
Example: "I think it is sheer genius to invent such a thing."
Used to emphasize the amount or degree of something.
Example: "The army's sheer size made it impossible to resist."
Very steep; almost vertical or perpendicular.
Example: "It was a sheer drop of 180 feet."