inauthentic

/ˌɪnɔːˈθentɪk/

in·authen·tic

BrE /ˌɪnɔːˈθentɪk/

NAmE /ˌɪnɔːˈθentɪk/

not genuine; that you cannot believe or rely on

OPP authentic

▸

in·authen·ti·city

BrE /ˌɪnɔːθenˈtɪsəti/

NAmE /ˌɪnɔːθenˈtɪsəti/

[U]