Dictionary

unclean

adjective un·clean \ˌən-ˈklēn\

: not clean : dirty

: not innocent and good : morally impure

: not allowed to be used by religious law

Full Definition of UNCLEAN

1
:  morally or spiritually impure
2
:  infected with a harmful supernatural contagion; also :  prohibited by ritual law for use or contact
3
:  dirty, filthy
4
:  lacking in clarity and precision of conception or execution
un·clean·ness \-ˈklēn-nəs\ noun

Examples of UNCLEAN

  1. Many of their health problems were caused by unclean living conditions.
  2. <there's something unclean about this whole business>

First Known Use of UNCLEAN

before 12th century

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