[Adjective] When something is not proven to be true, or an arrangement is not definite. Example: There are lots of unconfirmed reports of UFO sightings every year.
Found on http://www.bbc.co.uk/skillswise/glossary/
A term used in Letters of Credit meaning that documents presented will be inspected by the Issuing or Opening Bank. Found on https://www.encyclo.co.uk/local/21466