soiled
There was general plastic waste including soiled and unsoiled kitchen plastics - chicken wrappers and biscuit packets.
Prior to the breeding season, we installed new nest boxes containing unsoiled sand.
He was unhurt and unsoiled, his well-pressed shirt still crisp.

SMART Vocabulary: related words and phrases

Clean & tidy
(as) clean as a (new) pinidiom
apple pie
asepsis
aseptic
be in apple-pie orderidiom
clipped
neatly
neatness
non-clogging
non-polluting
ordered
spotlessly
sprucely
squeaky-clean
stainless
super-clean
unwrinkled
virginal
virginally
well kept

unsoiledadjective (NOT SPOILED)

not damaged or affected by something bad:
I neither smoked nor drank - I stayed unsoiled.
The image presented is of a pure and unsoiled culture.

SMART Vocabulary: related words and phrases

Unspoilt
clear
pure
purity
unadulterated
unalloyed
unblemished
uncontaminated
unmarred
unscarred
unstained
unsullied
untainted
untarnished
virgin
virginal
virginally

Synonym