in·au·then·tic 
/ˌɪnˌɑ:ˈθɛntɪk/ adjective
/ˌɪnˌɑ:ˈθɛntɪk/ adjective [more inauthentic; most inauthentic] : not real, accurate, or sincere : not authentic
▪ Their Mexican dishes are tasty but somewhat inauthentic. [=they are not quite like real Mexican food]
▪ Their Mexican dishes are tasty but somewhat inauthentic. [=they are not quite like real Mexican food]
— in·au·then·tic·ity /ˌɪnˌɑ:ˌθɛnˈtɪsəti/ noun [noncount]
