say it: ik-SPRESH-uh-nuhst
expressionist is a noun and adjective meaning "an artist who is an adherent of expressionism". It carries 2 recorded senses.
an artist who is an adherent of expressionism
Forms marked are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for expressionist come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.