ETYM Old Eng. blac, bleyke, bleche, AS. blâc, blec, pale, wan; akin to Icel. bleikr, Swed. blek, Dan. bleg, OS. blaek, Dutch bleek, Old High Germ. pleih, German bleich; Skr. bhrâj to shine, and Eng. flame.
Unpleasantly cold and damp; SYN. cutting, raw.

Physiologically ready to incubate eggs
1. Being in a state of readiness to brood eggs that is characterized by cessation of laying and by marked changes in behavior and physiology
2. Given or conducive to introspection; contemplative, moody

Subject to sharply varying moods; SYN. temperamental.

Moody silent; sullen; morose.

ETYM Old Eng. solein, solain, lonely, sullen; through Old French from (assumed) Late Lat. solanus solitary, from Latin solus alone. Related to Sole.
1. Gloomily angry and silent; cross; sour; affected with ill humor; morose.
2. Lonely; solitary; desolate.
3. Gloomy; dismal; foreboding.