Adulterate

cudzołożyć

(to commit adultery with (someone))

psuć

(to corrupt, debase — see also corrupt, debase)

rozcieńczać

(to make less valuable or spoil (something) by adding impurities or other substances)

rozcieńczyć

(to make less valuable or spoil (something) by adding impurities or other substances)

zdradzać

(to defile (someone) by adultery)

zdradzić

(to defile (someone) by adultery)

zepsuć

(to corrupt, debase — see also corrupt, debase)