Answer:

bipolar

Answer	Crossword Clue
BIPOLAR	Having opposing opinions
BIPOLAR	Having opposite extremes
BIPOLAR	Like some who have mood swings

BIPOLAR	Earth descriptor
BIPOLAR	Manic-depressive
BIPOLAR	Kind of disorder
BIPOLAR	Prone to major mood swings
BIPOLAR	Like many magnets
BIPOLAR	Like Earth
BIPOLAR	Like the earth or a bar magnet
BIPOLAR	Marked by opposite extremes