Antonyms of adj unimpressed

1 sense of unimpressed

Sense 1
unimpressed -- (not moved to serious regard; "trying to appear unimpressed")

INDIRECT (VIA unaffected) -> affected -- (acted upon; influenced)

Similarity of adj unimpressed

1 sense of unimpressed

Sense 1
unimpressed -- (not moved to serious regard; "trying to appear unimpressed")
       => unaffected (vs. affected) -- (undergoing no change when acted upon; "entirely unaffected by each other's writings"; "fibers remained apparently unaffected by the treatment")