To make a profit from a particular activity.

present participle of make money

(finance) Credit cards and debit cards as an alternative to cash.

(collective, finance) Experienced, well-informed investors, gamblers, etc. considered as a group. / The money invested or bet by such people; by extension, the opinions of such people.

Some extra money not needed for essential payments, which is available for spending on luxuries, hobbies, or simply going out for a beer.

For any reason whatsoever.

A very profitable scheme or institution, sometimes (derogatory) one that disregards aesthetic or spiritual concerns in favour of making money. / (New Zealand) An automated teller machine.

plural of money machine

plural of money-grubber

Money is wasted (in lost wages, missed opportunities, etc.) when a person's time is not used productively; time is valuable and should not be wasted.