To bring or come together into a united whole
Consisting of two or more interconnected parts
The result of combining
I'm not sure we didn't compound problems.
Blinded by emotion, he made his way out of the underground compound without knowing where he went.
A chill descended over the desert compound as the sun set.
The compound was the eye of a storm.
We left the compound and got ambushed by people we mistook for refugees.