side money

Supplementary cash earnings

Side money is income earned outside one's primary job or main source of earnings.

It typically refers to cash from informal work, secondary gigs, or under-the-table arrangements: She makes side money selling crafts online, He picks up side money driving for a rideshare app on weekends.

The term emphasizes that such earnings supplement rather than replace regular income.

hustle

gig

Short-term paid work

tutoring · consulting · babysitting · dog-walking · pet-sitting · house-sitting · rideshare · delivery · reselling · flipping

earnings

income

Regular monetary receipts

payout · commission · dividend · bonus · gain · return · proceeds · royalty · fee · stipend

Opposites
primary vs. supplementary income

side moneysalary

Fixed periodic employment payment

full-time salary · base pay · paycheck · steady income · livelihood

income vs. expenditure

side moneyexpenses

Money spent on things

spending · outgoings · bills · expenditures

financial necessity vs. extra

side moneyliving wage

Income covering necessities

rent money

Family

side, money, sides, sided, siding, sideways, sidelong, beside, besides

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Used worldwide · Timeless · Everyday, not technical · Rated G