
Open English Wordnet
Nouns
(n)impactthe striking of one body against another (n)impact, wallopa forceful consequence; a strong effect“the book had an important impact on my thinking”,
“the book packs a wallop” (n)shock, impactthe violent interaction of individuals or groups entering into combat“the armies met in the shock of battle” Verbs
(v)impactpress or wedge together; pack together