1
: not clean : dirty
Many of their health problems were caused by unclean living conditions.
2
: not innocent and good : morally impure
unclean thoughts/desires
3
: not allowed to be used by religious law
unclean meat
Cite this Entry
“Unclean.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/unclean. Accessed 24 Jun. 2026.
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