See benumb in Webster's New World Roget's A-Z Thesaurus II
verb
To render less sensitive:
blunt, deaden, desensitize, dull, numb. Idiom: take the edge off. See awarenessTo dull the senses, as with a heavy blow, a shock, or fatigue:
bedaze, bemuse, daze, stun, stupefy. (Chiefly Regional) maze. See awarenessTo render helpless, as by emotion:
numb, paralyze, petrify, stun, stupefy, wither. See affect
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