THESAURUS
weak sister
Lord Fauntleroy, Milquetoast, Percy, baby, big baby, chicken, chicken liver, coward, cream puff, crybaby, doormat, dull tool, effeminate, fraid-cat, fraidy-cat, funk, funker, goody-goody, gutless wonder, invertebrate, jellyfish, lightweight, lily, lily liver, meek soul, milksop, mollycoddle, mouse, namby-pamby, nance, nancy, nebbish, nonentity, old woman, pansy, pantywaist, pushover, sad sack, scaredy-cat, sissy, softling, softy, sop, weakling, white feather, white liver