make more precise or increase the discriminatory powers of; "refine a method of analysis"; "refine the constant in the equation"
attenuate or reduce in vigor, strength, or validity by polishing or purifying; "many valuable nutrients are refined out of the foods in our modern diet"
reduce to a fine, unmixed, or pure state; separate from extraneous matter or cleanse from impurities; "refine sugar"
treat or prepare so as to put in a usable condition; "refine paper stock"; "refine pig iron"; "refine oil"
melt (fat or lard) in order to separate out impurities; "try the yak butter"; "render fat in a casserole"
test the limits of; "You are trying my patience!"
give pain or trouble to; "I've been sorely tried by these students"
make an effort or attempt; "He tried to shake off his fears"; "The infant had essayed a few wobbly steps"; "The police attempted to stop the thief"; "He sought to improve himself"; "She always seeks to do good in the world"