adj. phr. , informal 1. Not balanced right; not in a straight line or lined up right. The scale must be out of kilter because when I weighed myself on it, it said 300 pounds. The wheels of my bicycle were out of kilter after it hit the tree.
Antonym: IN BALANCE. 2. Needing repair; not working right. My watch runs too slowly; it must be out of kilter.
Synonym: OUT OF ORDER 2 .