extremist

As nouns the difference between extremist and passionate

is that extremist is extremist while passionate is a passionate individual.

As an adjective passionate is

given to strong feeling, sometimes romantic and/or sexual.

As a verb passionate is

(obsolete) to fill with passion, or with another given emotion.

As a noun extremist

is extremist.

As an adjective overexuberant is

excessively exuberant.

As nouns the difference between ideology and extremist

is that ideology is doctrine, philosophy, body of beliefs or principles belonging to an individual or group while extremist is extremist.

As nouns the difference between extremist and militant

is that extremist is extremist while militant is (obsolete) a soldier, a combatant.

As an adjective militant is

fighting or disposed to fight; belligerent, warlike.

As nouns the difference between hardliner and extremist

is that hardliner is while extremist is extremist.

As nouns the difference between extremist and terrorists

is that extremist is extremist while terrorists is .

As nouns the difference between extremist and bigot

is that extremist is a person who holds extreme views, especially one who advocates such views; a radical or fanatic while bigot is one who is obstinately or intolerantly devoted to his or her own opinions and prejudices.

As an adjective extremist

is holding extreme views, especially on a political subject.

As nouns the difference between idealist and extremist

is that idealist is one who adheres to idealism while extremist is a person who holds extreme views, especially one who advocates such views; a radical or fanatic.

As an adjective extremist is

holding extreme views, especially on a political subject.

As nouns the difference between jacobin and extremist

is that jacobin is jacobin while extremist is extremist.

As an adjective jacobin

is jacobin.

As nouns the difference between extremist and fundamentalism

is that extremist is extremist while fundamentalism is (religion) the tendency to reduce a religion to its most fundamental tenets, based on strict interpretation of core texts.