-_lə̇st noun
( -s )
Etymology: French maximaliste, from maximal- (probably from English maximal ) + -iste -ist; intended as translation of Russian bol'shevik Bolshevik
: one that believes in or advocates immediate and direct action to secure the whole of a program or set of goals ; specifically : a socialist advocating the immediate seizure of power by revolutionary means as opposed to gradual achievement of limited aims (as by the processes of parliamentary democracy) — compare gradualist , minimalist , revisionist