1. (of financial resources) not spent
   "unexpended funds"
   - unspent 
2. Not used up
   "unexpended provisions"
   - leftover, left over, left, odd, remaining

See also: unexhausted

• workhouse
• working
• working agreement
• working capital
• working day
• working dog
• working girl
• working group
• working memory
• working out
• working papers
• working party
• working person
• working principle
• working rule
• working week
• working-class
• workingman
• workings
• workless
• workload
• workman
• workmanlike
• workmanship
• workmate