0 not flattering, or making someone look less attractive or seem worse than usual:
His account is descriptive, unflattering toward the authorities, and above all consistent with other key historical sources.
An unflattering picture of the contemporary record corporation emerges, of what can happen once mercenary goals are placed at the forefront of the recording endeavour.
Nowadays, a grammarian is someone considered in a more or less unflattering way.
But it is interesting that he felt extremely threatened by unflattering connections between consumerism and gender.
The nature of the genre tends to be unflattering to uneven intonation or attack, but these faults are absent here.
With the story stripped down, made direct and 'brutal', the light shed on operatic plots becomes so unflattering that most begin to seem like caricatures or bad jokes.
Whether true or not, we wish to point out that whether a finding is flattering or unflattering is hardly a criterion of science.
Nicknames were by no means always unflattering.