adulterer has definitions from the field of sexuality
1
[ noun ] (sexuality) someone who commits adultery or fornication

Synonyms

fornicator

Used in print

(Glayds H. Barr, The Master of Geneva....)

It would be well to show the populace how we deal with adulterers '' .

Before them stalked the beadle , proclaiming as he went , `` Thus the Council deals with those who break its laws - adulterers , thieves , murderers , and lewd persons .

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