(adj) not exemplifying a class, Example:I soon tumbled to the fact that my weekends were atypical; behavior quite unrepresentative (or atypical) of the profession
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
adj. 1. Not standing for something else. Opposite of representative. Syn. -- unsymbolic. [ WordNet 1.5 ]
2. Not giving a true representation of the characteristics of a group; -- of a sample or subgroup of a group; as, the weather we had in the summer of 1996 gave a nonrepresentative view of our normal weather. Syn. -- biased, unrepresentative. [ PJC ]