" middle-of-the-roader "

1: a person who holds moderate views;

  * e.g., " ... since the party's middle-of-the-roaders often lack verve, the activists inevitably nominate some extremist who can't win in the general election "

•  Synonyms : 

•  centrist,

•  moderate

•  Antonyms : 

•  extremist,

•  radical,

•  revolutionary,

•  revolutionist,

•  ultraist

1: avoiding major social change or extreme political ideas;

  * e.g., " ... a candidate with middle-of-the-road views on most hot-button issues "

•  Synonyms : 

•  central,

•  centrist,

•  moderate

•  Antonyms : 

•  extremist,

•  radical,

•  revolutionary,

•  revolutionist,

•  ultra