Wielki słownik angielsko-polski red. nacz D. Jemielniak, M. Miłkowski

(Adjective) nieoczekiwany, niespodziewany;

Wordnet angielsko-polski

(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")
nadspodziewany
synonim: unhoped
synonim: unthought
synonim: unthought-of