{adv. phr.}, {informal} Used with different possessive nouns to show surprise, crossness, or impatience. * /For heaven's sake, where did you come from?/ * /For Pete's sake, look who's here!/ * /Well, for pity's sake, I wish you'd told me sooner./ * /Oh, for gosh sake, let me do it./
{adv. phr.} On behalf of; for the benefit of. * /For the sake of truth and freedom, Dr. Sakharov, the Soviet dissident, was willing to be banished from Moscow./ * /"Do it for my sake, please!" Tom begged./