Unbalanced (adjective)

1. Not having a steady and equal distribution of weight or force; not in equilibrium.
2. Not having a symmetrical or harmonious composition.
3. Not being mentally or emotionally stable.

Origin:

Late middle english: from un- (expressing negation) + balanced, past participle of balance.

Examples:

1. The unbalanced wheel made the ride bumpy.
2. An unbalanced diet can lead to health issues.
3. The unbalanced team lost the game.
4. His unbalanced behavior was causing concern among his coworkers.
5. The unbalanced painting looked askew on the wall.