philandering

cheating untrue

adulterine deceitful double-crossing faithless false false-hearted fickle foresworn inconstant incontinent moonlighting not true to of bad faith perfidious recreant shifty snaky sneaking traitorous treacherous treasonable two-faced two-timing unchaste unreliable untrustworthy wicked

faithful loyal trustworthy

flirtation toying

banter beguilement blandishment dalliance ogling pursuit seduction sport trifling wantonness wooing

amorous