STEP Hebrew Lexicon: גָּאַל

1) to defile, pollute, desecrate

1a) (Niphal) to be defiled, be polluted

1b) (Piel) to pollute, desecrate

1c)(Pual) to be desecrated (of removal from priesthood)

1d) (Hiphil) to pollute, stain

1e) (Hithpael) to defile oneself