chicken

1 having or showing a shameful lack of courage too chicken to go through with the stunt Synonyms cowardly, chickenhearted, chicken-livered, craven, dastardly, gutless, lily-livered, milk-livered [archaic], poltroon, pusillanimous, recreant, spineless, unheroic, yellowRelated Words diffident, fainthearted, fearful, timid, timorous; afraid, frightened, scared; careful, cautious, wary; bashful, coy, shy; feeble, soft, unmanly, weakNear Antonyms audacious, bold, brazen, cheeky, nervy; plucky, spirited, spunky; determined, resoluteAntonyms brave, courageous, daring, dauntless, doughty, fearless, gallant, greathearted, gutsy, hardy, heroic (also heroical), intrepid, lionhearted, stalwart, stout, stouthearted, valiant, valorous

2 so small or unimportant as to warrant little or no attention just concentrate on the important duties of the job and forget about the chicken stuff Synonyms negligible, de minimis, footling, inconsequential, inconsiderable, insignificant, measly, Mickey Mouse, minute, niggling, no-account, nominal, paltry, peanut, petty, picayune, piddling, piddly, piffling, pimping, slight, trifling, trivialRelated Words inferior, mean; imperceptible, inappreciable; little, puny, tiny; hairsplitting, nitpicking, pettifogging, quibbling; one-horse, small-fry, two-bitNear Antonyms serious, substantial, weighty; eventful, momentous, pivotal; conspicuous, noteworthy, outstanding, prominent, remarkable, striking; appreciable, discernible (also discernable), measurableAntonyms big, consequential, considerable, important, material, significant