1) to be unclean, become unclean, become impure
1a) (Qal) to be or become unclean
1a1) sexually
1a2) religiously
1a3) ceremonially
1b) (Niphal)
1b1) to defile oneself, be defiled
1b1a) sexually
1b1b) by idolatry
1b1c) ceremonially
1b2) to be regarded as unclean
1c) (Piel)
1c1) to defile
1c1a) sexually
1c1b) religiously
1c1c) ceremonially
1c2) to pronounce unclean, declare unclean (ceremonially)