To populate again, breed among a group in order to keep the population up.(verb)
To reintroduce a species into (an area).(verb)
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Use "repopulate" in a sentence
"Sorry, it was late at night and I was just put off by the notion that some substantial return of illegal migrants in the US to their native land would "repopulate" Mexico."
"The meeting voted to call on the Federal Government to set up a Rural and Regional Development bank using the nation's $1.14 trillion superannuation savings, which would be used to help "repopulate" regional Australia."
"(Humphrey's eagerness to "repopulate" the area with Kate becomes a running joke throughout; though these gags should all sail safely above the heads of the pic's target demo, they feel unnecessary all the same, and surely meant the difference between a G and PG rating.)"