THESAURUS
Castrate
alter, beat down, bleed, break, browbeat, bulldoze, bully, change, clamp down on, coerce, compel, cow, cripple, daunt, demasculinize, desex, desexualize, despotize, devitalize, disable, domineer, domineer over, drain, effeminate, effeminatize, effeminize, emasculate, empty, enervate, enslave, etiolate, eunuchize, exhaust, fix, geld, grind, grind down, hamstring, henpeck, hobble, incapacitate, intimidate, keep down, keep under, lame, lord it over, maim, mutilate, neuter, oppress, overawe, overbear, overmaster, override, press heavy on, repress, ride over, ride roughshod over, sissify, soften, spay, sterilize, subjugate, suppress, terrorize, trample down, trample upon, tread down, tread upon, tyrannize, tyrannize over, unman, unnerve, unsex, unstring, walk all over, walk over, weigh heavy on, wing, womanize
ROGET THESAURUS
Castrate
Cleanness
VB
be clean, render clean, clean, cleanse, mundify, rinse, wring, flush, full, wipe, mop, sponge, scour, swab, scrub, brush up, wash, lave, launder, buck, absterge, deterge, decrassify, clear, purify, depurate, despumate, defecate, purge, expurgate, elutriate, lixiviate, edulcorate, clarify, refine, rack, filter, filtrate, drain, strain, disinfect, fumigate, ventilate, deodorize, whitewash, castrate, emasculate, sift, winnow, pick, weed, comb, rake, brush, sweep, rout out, clear out, sweep out, make a clean sweep of.
Subtraction
VB
subduct, subtract, deduct, deduce, bate, retrench, remove, withdraw, take from, take away, detract, garble, mutilate, amputate, detruncate, cut off, cut away, cut out, abscind, excise, pare, thin, prune, decimate, abrade, scrape, file, geld, castrate, eliminate, diminish, curtail, deprive of, weaken.
Impotence
VB
be impotent, not have a leg to stand on, vouloir rompre l'anguille au genou, vouloir prendre la lune avec les dents, collapse, faint, swoon, fall into a swoon, drop, go by the board, go by the wayside, go up in smoke, end in smoke, render powerless, deprive of power, disable, disenable, disarm, incapacitate, disqualify, unfit, invalidate, deaden, cramp, tie the hands, double up, prostrate, paralyze, muzzle, cripple, becripple, maim, lame, hamstring, draw the teeth of, throttle, strangle, garrotte, garrote, ratten, silence, sprain, clip the wings of, put hors de combat, spike the guns, take the wind out of one's sails, scotch the snake, put a spoke in one's wheel, break the neck, break the back, unhinge, unfit, put out of gear, unman, unnerve, enervate, emasculate, castrate, geld, alter, neuter, sterilize, fix, shatter, exhaust, weaken.