clayey, a. argillaceous, argillous, argilliferous, luteous, cledgy.
clean, a. unsoiled, unsullied, immaculate, cleanly, [neat]; [chaste], [pure], [virtuous], undefiled, incorrupt, uncontaminated; [shapely], well-proportioned; kosher ([Jewish]).
clean, adv. wholly, perfectly, completely, quite, entirely, thoroughly.
clean, v. [cleanse].
cleanse, v. [purify], deterge, absterge, [wash], disinfect, fumigate, depurate.
cleanser, n. abstergent, detergent, purifier, detersive.
cleansing, a. detergent, abstergent, abstersive, detersive, purifying.
cleansing, n. [purification], detersion, purgation, abstersion, lustration, expurgation.
clear, a. [transparent], diaphanous, pellucid, [limpid], relucent, crystalline, [lucid], crystal; [unmistakable], [plain], [evident], [obvious], unambiguous, distinct, explicit, [manifest], palpable, [patent], decipherable, [express], comprehensible, graphic; [serene], cloudless, unclouded, undimmed; clarion, [sonorous], [resonant], canorous, audible, [piercing]; [pure], unmixed, [unadulterated], unalloyed; in [full], [net]; [passable], unimpeded, unobstructed, [open]; acquitted; unburdened, exempt; clarified. Antonyms: [opaque], [obscure], indecipherable, [ambiguous], equivocal, [vague], [cryptic], [abstruse], inexplicable, [roily], turbid, enigmatical, inexplicit, inaudible, [adulterated], [cloudy], befogged, unintelligible, [doubtful].
clear, v. clarify; [explain], [interpret], elucidate, eclaircise; [acquit], [absolve], exonerate, [vindicate]; [disengage], extricate, disentangle, [disperse].