Learn how to say Moodier correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word moody:
adjective (moodier, moodiest)
(of a person) given to unpredictable changes of mood, especially sudden bouts of gloominess or sullenness:
his moody adolescent brother
giving an impression of melancholy or mystery:
grainy film which gives a soft, moody effect
Old English mōdig ‘brave or wilful’ (see mood1, -y1)