Wiktionary
                    unthought-of
                    
                        
                
                                                                    a. 1 unexpected 2 unimagined
WordNet
                    unthought-of
                    
                        
                
                                                                    adj. 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" [syn: unhoped, unhoped-for, unthought]