so unexpected as to have not been imagined
an unthought advantage
an unhoped-for piece of luck
an unthought-of place to find the key
How To Use unthought-of In A Sentence
- an unthought-of place to find the key
- In the early twenty-first century, lower costs for search, coordination, and evaluation are making previously unthought-of applications feasible - just as happened with the Internet in the 1990's.