THESAURUS
sterilize
alter, antisepticize, autoclave, boil, castrate, change, chlorinate, clean, cleanse, decontaminate, delouse, demasculinize, depurate, desex, desexualize, devitalize, disinfect, effeminize, emasculate, enervate, etiolate, exhaust, fix, fumigate, geld, hygienize, mutilate, neuter, pasteurize, purify, sanitate, sanitize, spay, unman, unnerve, unsex
ROGET THESAURUS
sterilize
Preservation
VB
preserve, maintain, keep, sustain, support, hold, keep up, keep alive, refrigerate, keep on ice, not willingly let die, bank up, nurse, save, rescue, be safe, make safe, take care of, guard, stare super antiquas vias, hold one's own, hold one's ground, stand one's ground, embalm, cure, salt, pickle, season, kyanize, bottle, pot, tin, can,
sterilize, pasteurize, radiate, dry, lyophilize, freeze- dry, concentrate, evaporate, freeze, quick-freeze, deep-freeze, husband.
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.
Unproductiveness
VB
be unproductive, hang fire, flash in the pan, come to nothing,
sterilize, addle, disable, inactivate.