| Main Entry: | |
| Part of Speech: | verb |
| Definition: | make diluted or less dense |
| Synonyms: | attenuate, cook, cut, cut back, decrease, delete, diminish, disperse, doctor, edit, emaciate, expand, extenuate, irrigate, lace, needle, prune, rarefy, reduce, refine, shave, spike, trim, water, water down, weaken, weed out |
| Antonyms: | beef up, thicken |
| Main Entry: | sensitize |
| Part of Speech: | verb |
| Definition: | stimulate |
| Synonyms: | animate, excite, refine, sharpen |
| Main Entry: | sublimate |
| Part of Speech: | verb |
| Definition: | purify |
| Synonyms: | clean, cleanse, rarefy, refine, uphold |
| Main Entry: | lustrate |
| Part of Speech: | verb |
| Definition: | purify |
| Synonyms: | absolve, aerate, aerify, atone, chasten, clarify, clean, cleanse, clear, decontaminate, deodorize, depurate, deterge, disinfect, edulcorate, elutriate, exculpate, exonerate, expiate, filter, fumigate, oxygenate, purge, rarify, redeem, refine, remit, sanctify, sanitize, shrive, sublimate, wash |
| Main Entry: | rarefy |
| Part of Speech: | verb |
| Definition: | thin |
| Synonyms: | attenuate, cook, cut back, cut*, decrease, delete, diminish, disperse, doctor, edit, emaciate, expand, extenuate, irrigate, lace, needle, prune, reduce, refine, shave, spike, trim, water, water down, weaken, weed out |
| Main Entry: | unblock |
| Part of Speech: | verb |
| Definition: | clear |
| Synonyms: | ameliorate, break up, brighten, burn off, clarify, cleanse, disencumber, disengage, disentangle, eliminate, empty, erase, extricate, free, lighten, loosen, lose, meliorate, open, purify, refine, rid, rule out, shake off, sweep, throw off, tidy, unburden, unclog, unload, unloose, unpack, untie, vacate, void, wipe |