0 present participle of sharpen
1 to make something sharp or sharper:
figurative The company is cutting production costs in an attempt to sharpen its competitive edge (= in order to improve how competitive it is).
2 to make something stronger:
3 to make something clearer:
I need to sharpen that knife.
She sharpened the blade.
Sharpening the idea of learning about putative obligations will be helpful.
Yet, the flurry of promotions within the existing peerage did not denote a substantial sharpening of divisions between the established and the newer peerage.
But experience might also strengthen the local excitatory interactions, leading to a sharpening of the kernel.