inscrutable

/ˌɪnsˈkɹutəbəɫ/

impossible to understand or interpret

inscrutable in a sentence

“His inscrutable expression revealed nothing.”

Latin inscrutabilis unsearchable from in- not + scrutari to search

Related Words

opaque

not transparent; hard to understand

obscure

not discovered or known; uncertain

latent

existing but not yet developed or manifest

dormant

temporarily inactive; in a state of rest

veiled

partially concealed or disguised

shrouded

covered or enveloped so as to conceal