nie cieszący się popularnością in English:

He is unpopular for some reason.

His public support for the British government was unpopular.

Be unpopular.

Football referees are really unpopular in my country.

Some misunderstood animals are unpopular.

A plethora of ineffective education programs made the president unpopular amongst fiscal conservatives.

The unpopular politician was frequently given the razz by the crowd during his speech.

The Diet is likely to amend this unpopular law.

The austerity measures that many city governments have implemented are hugely unpopular.

It's a pity that hang, ocarina and pipa are so unpopular around here.