1. In an unattainable manner or to an unattainable degree
   "this house is unattainably expensive"
   - unachievably

See also: unattainable

• office furniture
• office hours
• Office of Inspector General
• Office of Intelligence Support
• Office of Management and Budget
• Office of Naval Intelligence
• Office of the Dead
• office staff
• office-bearer
• officeholder
• officer
• officer's mess
• official
• official document
• official emissary
• official immunity
• officialdom
• officialese
• officialise
• officialism
• officialize
• officially
• officiant
• officiate
• officiating