Definition of adulterously in English:

adulterously

adverb

See adulterous

‘He perceives her as a woman who as a child saw her father adulterously kiss a neighbor.’
  • ‘George is already kicking over the traces - spending too much, drinking too much, gambling too much and, as Amelia dare not admit to herself, consorting adulterously with other women.’
  • ‘A heterosexually oriented celibate will sin adulterously with a married woman or be guilty of fornication with an unmarried one.’