List of sad sack synonyms and sad sack related words.
Bowery bum, Milquetoast, baby, beachcomber, beggar, beggarly fellow, big baby, blighter, budmash, bum, bummer, caitiff, chicken, crybaby, derelict, devil, doormat, drifter, drunkard, dull tool, good-for-naught, good-for-nothing, gutless wonder, hard-luck guy, hardcase, hobo, human wreck, invertebrate, jellyfish, lightweight, loser, lowlife, mauvais sujet, mean wretch, meek soul, milksop, mollycoddle, mucker, namby-pamby, nebbish, no-good, nonentity, pansy, pantywaist, pauvre diable, pilgarlic, poor creature, poor devil, poor unfortunate, pushover, sad case, schlemiel, schlimazel, sissy, skid-row bum, softling, softy, sop, stiff, sundowner, sure loser, swagman, tramp, truant, unfortunate, vag, vagabond, vagrant, vaurien, victim, wastrel, weak sister, weakling, worthless fellow, wretch