inscrutable
adjective /ɪnˈskruːtəbl/
/ɪnˈskruːtəbl/
- (especially of a person's expression) impossible to understand or interpret
- He was wearing that inscrutable look again.
- Her face had become inscrutable.
- inscrutable to somebody Unfortunately, this language is largely inscrutable to non-specialists.
Oxford Collocations DictionaryInscrutable is used with these nouns:- expression
Word Originlate Middle English: from ecclesiastical Latin inscrutabilis, from in- ‘not’ + scrutari ‘to search’ (originally ‘sort rubbish’, from scruta ‘rubbish’).