unachievable
Kelime Anlamı :

1. erişilemez.
2. ulaşılamaz.
3. yapılamayan.
4. başarılamayan.
Tanımlar :
1. impossible to achieve or attain: an unachievable goal.
from The American Heritage® Dictionary of the English Language, 4th Edition
1. that cannot be achieved (or only with great difficulty)
from Wiktionary, Creative Commons Attribution/Share-Alike License
1. impossible to achieve
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.