THESAURUS
pigeonhearted
afraid, chicken, chickenhearted, coward, cowardly, cowed, daunted, dismayed, fainthearted, fearful, funking, funky, henhearted, intimidated, lily-livered, milk-livered, milksoppish, milksoppy, mousy, overtimid, overtimorous, panic-prone, panicky, rabbity, sissified, sissy, soft, timid, timorous, unmanly, unmanned, weak, weak-kneed, weakhearted, white-livered, yellow