spick-and-span
immaculate
spick
spic-and-span
spotless
speckless
spic
clean as a whistle
clean as a new pin
squeaky clean
clean as a bean
clean as a new penny
ultraclean
hyperclean
shipshape
unsullied
well-kept
cleanly
ruly
well-groomed
pristine
antiseptic
luxurious
clockwork
pristinely
ultracrisp
unstained
well-defined
tidy
neatly
serene
well-found
slickered
neat as a pin
ideal
supersmooth
flawlessly
unblotted
smolt
cleanlily
supercrisp
smooth as a baby's bottom
smooth as butter
smooth
smooth as oil
tidily
crisply
bottle-tight
neat as a button
plusquamperfection