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

See also: unexhausted

• active immunity
• active matrix screen
• active placebo
• active site
• active transport
• active trust
• active voice
• actively
• activeness
• activewear
• activism
• activist
• activistic
• activity
• actomyosin
• actor
• actor's agent
• actor's assistant
• actor's line
• actress
• Acts
• Acts of the Apostles
• actual
• actual damages
• actual eviction