Similar words
dunstig
Verschwommen is blurry in general, out of focus; dunstig is hazy or misty specifically because of atmospheric haze.
Similar in other languages
French
flou
flou is the French word for the same thing — both mean "blurry, vague."
Practice
1 What does verschwommen mean?
blurry, vague
2 Fill the gap: Ohne Brille sah sie alles ___.
Full sentence: Ohne Brille sah sie alles verschwommen. (Without glasses she saw everything blurry.)
3 Which fingerprint chart matches verschwommen?
verschwommen: neutral register, common frequency, general domain, neutral connotation.