From The Collaborative International Dictionary of English v.0.48:
Moody \Mood"y\, a. [Compar. Moodier; superl. Moodiest.] [AS.
m[=o]dig courageous.]
1. Subject to varying moods, especially to states of mind
which are unamiable or depressed.
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2. Hence: Out of humor; peevish; angry; fretful; also,
abstracted and pensive; sad; gloomy; melancholy. "Every
peevish, moody malcontent." --Rowe.
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Arouse thee from thy moody dream! --Sir W.
Scott.
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Syn: Gloomy; pensive; sad; fretful; capricious.
[1913 Webster] Moolah