onenight stand (noun) one-night stand: one-night sexual encounter
Sinonime: contraband,
illegal, illicit,
improper,
invalid, misbegotten,
spurious, supposititious, unauthorized, unconstitutional, unlawful, unsanctioned,
wicked,
wrongAntonime: authorized,
blessed,
ethical, justifiable, legal,
legitimate,
moral, sanctioned,
warranted