A reunion usually refers to a gathering of folks who haven't seen each other for a long time. High school reunions are notorious for reuniting middle aged people who are anxious to relive their high school years.

Since a union is a state of togetherness — like a marriage — a reunion is when people get back together after some sort of separation. This could refer to a political reunification — like the reunion of East and West Germany as one nation — but it's usually smaller in scale. At high school and college reunions, people see friends they haven’t seen for years. A reunion doesn't have to be so official. Seeing any friend after an absence is a reunion.

Definitions of reunion

n the act of coming together again

an annual school or university reunion for graduates
Type of:
conjugation, jointure, unification, union, uniting
the act of making or becoming a single unit

n a party of former associates who have come together again

Type of:
a group of people gathered together for pleasure

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