IPA: /ˈriːtɑːɡɚt/
KK: /ˈriːˌtɑːɡərt/
To change the focus or aim of something, often in marketing or advertising, to reach a different audience or group.
The company decided to retarget their ads to attract a younger demographic.
Past: retargeted
Past Participle: retargeted
Retarget → It is formed from "re-" (meaning again) and "target" (from Old French *terget*, meaning a mark or goal). The word "retarget" means to set a new goal or mark again.
Think of setting a new 'goal' ('target') again ('re-') — that's what retarget means.