Here are some ways the word can be used:
* Clothing: A loose-fitting garment that isn't cinched at the waist or elsewhere.
* Horses: A saddle that is not secured tightly to the horse's back.
* Figuratively: A situation that is not controlled or secured.
Here are some examples:
* "Her dress was so unflattering, it just hung on her body like an uncinched sack."
* "The horse bolted, his rider thrown from the uncinched saddle."
* "After a successful quarter, the team felt their victory was unclenched. They knew there was still work to be done."
The meaning of "uncinched" depends on the context. But in general, it signifies a lack of tightness or security.