adjective
1‘her inscrutable face gave nothing away’
SYNONYMS
enigmatic, unreadable, impenetrable, mysterious, impossible to interpret, cryptic
unexpressive, inexpressive, emotionless, unemotional, expressionless, impassive, blank, vacant, deadpan, dispassionate
informal poker-faced
2‘the ways of the gods are inscrutable’
SYNONYMS
mysterious, inexplicable, unexplainable, incomprehensible, beyond comprehension, beyond understanding, impossible to understand, unintelligible, impenetrable, unfathomable, fathomless, opaque, puzzling, perplexing, baffling, bewildering, confusing, abstruse, arcane, obscure
literary sibylline
archaic wildering