unrepresentative /ˌʌnˌrɛprɪˈzɛntətɪv/ adjective /ˌʌnˌrɛprɪˈzɛntətɪv/
adjective
Learner's definition of UNREPRESENTATIVE
[more unrepresentative; most unrepresentative]
: not showing what a group of people or things is truly like : not representative不典型的;不具代表性的