pie in the sky
noun phrase
: an unrealistic enterprise or prospect of prosperity
pie-in-the-sky
ˈpī-in-ṯẖə-ˈskī 
adjective 
Word History
First Known Use
1911, in the meaning defined above
- great gray kangaroo
- great gray owl
- great gray shrike
- great green orchis
- great gross
- great group
- great gun
- great guns
- great hedge bedstraw
- Great Horde
- great horned owl
- great house
- great houses
- great indian desert
- great indian plantain
- great kelp
- Great Lake trout
- Great Lakes
- great lakes trout
- great land crab
- great laurel
- Great Lent
- great lobelia
- great many
- great maple