1. if something is out of kilter, it is not operating or working as it should.

Even one sleepless night can throw your body out of kilter.

2. if two things are out of kilter, or if one thing is out of kilter with another, they are not similar any more.

A further tax increase on cigarettes would put Britain out of kilter with the rest of Europe. (often + with)

• have your head up arse
• have your head up your arse
• have your heart set on
• have your heart set on doing something
• have your heart set on something
• have your knife into
• have your knife into someone
• have your mind on
• have your mind on something
• have your moments
• have your name in lights
• have your nose in a book
• have your nose in the air
• have your pick of
• have your pick of something
• have your share of
• have your share of something
• have your sights set on
• have your sights set on doing something
• have your sights set on something
• have your wicked way with
• have your wicked way with someone
• have your wits about
• have your wits about you
• have your work cut out