say it: uhn-reh-pri-ZEN-tuh-tiv
unrepresentative is an adjective meaning "not exemplifying a class". It carries one recorded sense.
not exemplifying a class
“I soon tumbled to the fact that my weekends were atypical”
“behavior quite unrepresentative (or atypical) of the profession”
Definitions, synonyms and semantic relations for unrepresentative come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.