unpromised
1. [ adjective ] not promised in marriage
Synonyms: unpledged unengaged
Examples:

"continued seeing him but on an unengaged basis"

Related terms: unattached
Similar spelling:   unprompted
  unproved
  unpromising
  unprocessed
  unframed
  unpractised
  unprovoked
  unpressed
  unbrowsed
  unprotected
  uniformise
  unpermissive
  uniparous