fraidy-cat

noun fraidy-cat

• wimp — any of a group of weakly interacting elementary particles predicted by various unified field theories, as the W particle and Z-zero particle, that are characterized by relatively large masses.
• poltroon — a wretched coward; craven.
• yellow — a color like that of egg yolk, ripe lemons, etc.; the primary color between green and orange in the visible spectrum, an effect of light with a wavelength between 570 and 590 nm.
• pessimist — a person who habitually sees or anticipates the worst or is disposed to be gloomy.
• chicken — Chickens are birds which are kept on a farm for their eggs and for their meat.