UNCOMMITTED
unattached, uncommitted
(adjective) not associated in an exclusive sexual relationship
uncommitted
(adjective) not bound or pledged
available, uncommitted
(adjective) not busy; not otherwise committed; “he was not available for comment”; “he was available and willing to accompany her”
Source: WordNet® 3.1
Etymology
Adjective
uncommitted (comparative more uncommitted, superlative most uncommitted)
Not inclined toward either side in a matter under dispute.
Not bound or pledged to a cause, party etc.
(computing, of an update to a database etc.) Not yet written to disk and logged.
Any uncommitted changes will be lost if you disconnect from the source control system.
Source: Wiktionary