जो आशा से परे हो।

राम को आशातीत सफलता मिली।
अनुमानातीत, अप्रत्याशित, आशातीत, प्रत्याशातीत

So unexpected as to have not been imagined.

An unhoped-for piece of luck.
An unthought advantage.
An unthought-of place to find the key.
unhoped, unhoped-for, unthought, unthought-of