Origin: 1325–75; Middle English impressio(
u)
n <
Latin impressiōn- (stem of
impressiō), equivalent to
impress(
us) (
see impress1) +
-iōn- -ion Related formsim·pres·sion·al, adjective
im·pres·sion·al·ly, adverb
im·pres·sion·less, adjective
pre·im·pres·sion, noun
Synonyms
2. impact, imprint. 4. feeling.