Hone

Noun

 * 1) A sharpening stone composed of extra-fine grit used for removing the burr or curl from the blade of a razor or some other edge tool.
 * 2) A machine tool used in the manufacture of precision bores.

Verb

 * 1) To sharpen with a hone.
 * 2) To use a hone to produce a precision bore.
 * 3) To refine or master (a skill).
 * 4) To make more acute, intense, or effective.

Synonyms for Hone
sharpen, grind, whet, file, strop, strengthen.

Antonyms for Hone
make, dull, roughen.