Synonyms to invertebrate

afraid, abulic, afeared, aghast, anxious, apologetic, apprehensive, averse, backward, cautious, chary, chicken, chickenhearted, coward, cowardly, cowed, craven, daunted, dismayed, edgy, faint, fainthearted, fear-struck, feared, fearful, feeble, feebleminded, frail, frightened, fritter, funking, funky, haunted with fear, henhearted, hesitant, indisposed, infirm, intimidated, jittery, jumpy, lily-livered, loath, milk-livered, milksoppish, milksoppy, mousy, nervous, on edge, overtimid, overtimorous, panic-prone, panic-stricken, panicky, pigeonhearted, pliable, pusillanimous, rabbity, regretful, reluctant, rueful, scared, scared to death, scary, shrinking, shy, sissified, sissy, skittish, soft, sorry, spineless, spooked, terrified, timid, timorous, uneager, unhappy, unmanly, unmanned, unwilling, wary, weak, weak-kneed, weak-minded, weak-willed, weakhearted, white-livered, yellow, baby, Elzevir, Milquetoast, adolescent, angel, apprentice, babe, babish, baby bunting, baby-doll, baby-sized, babyish, bambino, bantam, bantling, banty, beginner, big baby, broad, buttercup, catechumen, cater to, cherub, chick, chicka