unbalanced
US /ʌnˈbæl.ənst/
UK /ʌnˈbæl.ənst/

1.
2.
3.
lacking proportion or symmetry; disproportionate
:
•
The artist's latest work felt strangely unbalanced, with too much detail on one side.
•
The diet was unbalanced, with too much fat and not enough protein.