say it: IM-pak-tid
impacted is an adjective meaning "wedged or packed in together". It is pronounced /ˈɪmˌpæktɪd/ — IM-pak-tid. It carries one recorded sense.
Definitions, synonyms and semantic relations for impacted 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.