Impresionistic or Impressionistic: How To spell?
The word Impresionistic is misspelled against Impressionistic, an adjective meaning "Pertaining to, or characterized by, impressionism."
Impressionistic has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings impre & ionistic which should not be misspelled with single 'S'
Wrong Spelling:  impre-s-ionistic  Correct Spelling:  impre-ss-ionistic 
Find more incorrect spellings of Impressionistic to spell right way.