Simple Definition of unclean
: not clean : dirty
: not innocent and good : morally impure
: not allowed to be used by religious law
Examples of unclean in a sentence
Many of their health problems were caused by unclean living conditions.
<there's something unclean about this whole business>
Before 12th Century
First Known Use of unclean
before 12th century
UNCLEAN Defined for Kids
Seen and Heard
What made you want to look up unclean? Please tell us where you read or heard it (including the quote, if possible).