Definition of "Sheer" :
verb: cause to sheer
"She sheered her car around the obstacle."
verb: turn sharply; change direction abruptly
adjective: complete and without restriction or qualification; sometimes used informally as intensifiers
"Got the job through sheer persistence."
adjective: very steep; having a prominent and almost vertical front
"A sheer descent of rock."
adjective: not mixed with extraneous elements
adjective: so thin as to transmit light
"Sheer silk stockings."
"He fell sheer into the water."
adverb: straight up or down without a break