Synonyms of 'cash in on something'
▷ See cash
exploitDictionary, use, take advantage of
The record company is simply cashing in on the loyalty of the band's fans.
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The opposition are exploiting the situation to their advantage.
If you say that someone uses people, you disapprove of them because they make others do things for them in order to benefit or gain some advantage from it, and not because they care about the other people.
Be careful she's not just using you.
Thesaurus for cash in on something from the Collins English Thesaurus