Synonyms for Clean (same or very similar meaning)
WordNet sense 1 (free from sepsis or infection):
uninfected
WordNet sense 2 (free of restrictions or qualifications):
clear
WordNet sense 3 (not limited or restricted):
unqualified
WordNet sense 4 ((of sound or color) free from anything that dulls or dims):
light, unclouded
WordNet sense 5 (free of extraneous elements of any kind):
pure
WordNet sense 6 (being complete of its kind and without defect or blemish):
perfect, perfect
WordNet sense 7 (morally pure):
clean-living
WordNet sense 8 (concerned with principles of right and wrong or conforming to standards of behavior and character based on those principles):
moral
WordNet sense 9 (remove all contents or possession from, or empty completely):
strip
WordNet sense 10 (clean and tidy up the house):
houseclean, clean house
WordNet sense 11 (make clean by removing dirt, filth, or unwanted substances from):
make clean
WordNet sense 12 ((of a surface) not written or printed on):
blank, white
WordNet sense 13 (holding or containing nothing):
empty
WordNet sense 14 (exhibiting or calling for sportsmanship or fair play):
sporting, sportsmanlike, sporty
WordNet sense 15 (free from favoritism or self-interest or bias or deception; or conforming with established standards or rules):
fair, just
WordNet sense 16 (a weightlift in which the barbell is lifted to shoulder height and then jerked overhead):
clean and jerk
WordNet sense 17 (having every necessary or normal part or component or step):
complete
WordNet sense 18 (not spreading pollution or contamination; especially radioactive contamination):
uncontaminating
WordNet sense 19 ((of behavior or especially language) free from objectionable elements; fit for all observers):
unobjectionable
WordNet sense 20 (spotlessly clean and fresh):
unsullied
WordNet sense 21 (without soil or spot or stain):
unsoiled, unstained
WordNet sense 22 (completely neat and clean):
immaculate, spotless
WordNet sense 23 (not yet used or soiled):
fresh, unused
WordNet sense 24 (habitually clean):
cleanly
WordNet sense 25 (in conformity with the rules or laws and without fraud or cheating):
fairly
WordNet sense 26 (remove unwanted substances from):
scavenge
WordNet sense 27 (remove unwanted substances from, such as feathers or pits):
pick
WordNet sense 28 ((used of persons or the military) not having or using arms):
unarmed
WordNet sense 29 (free from physical or moral spots or stains):
unblemished
WordNet sense 30 (free from clumsiness; precisely or deftly executed):
neat
WordNet sense 31 (quick or skillful or adept in action or thought):
adroit
WordNet sense 32 (not addicted):
unaddicted
WordNet sense 33 (clean one's body or parts thereof, as by washing):
cleanse
WordNet sense 34 (completely; used as intensifiers):
plum, plumb
From the ODE community, based on WordNet
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