side money: meaning, definition, pronunciation and examples

C1
UK/ˈsaɪd ˌmʌn.i/US/ˈsaɪd ˌmʌn.i/

Informal / Colloquial

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Quick answer

What does “side money” mean?

Money earned from a secondary job or activity, separate from one's main income source.

Audio

Pronunciation

Definition

Meaning and Definition

Money earned from a secondary job or activity, separate from one's main income source.

Additional income often pursued informally, sometimes suggesting a hustle, gig, or passion project turned profitable.

Dialectal Variation

British vs American Usage

Differences

Both use the term, but 'side hustle' is more common in contemporary American English. In UK, 'extra cash' or 'a bit on the side' might be more frequent informal equivalents.

Connotations

US: Often associated with the 'gig economy' and entrepreneurial spirit. UK: Can imply something slightly secretive or unofficial ('a little something on the side').

Frequency

More frequent in US English, especially in personal finance and entrepreneurial contexts.

Grammar

How to Use “side money” in a Sentence

[Subject] earns side money by [gerund phrase].[Subject] uses [skill/hobby] to make side money.Her side money comes from [source].

Vocabulary

Collocations

strong
earn side moneymake some side moneybring in side money
medium
reliable side moneyeasy side moneya bit of side money
weak
weekly side moneyonline side moneycreative side money

Examples

Examples of “side money” in a Sentence

verb

British English

  • He's been side-moneying by fixing laptops for neighbours.
  • I need to side money to afford the holiday.

American English

  • She side-moneys by driving for a rideshare app.
  • They're side-moneying through freelance graphic design.

adverb

British English

  • He works side-money as a caterer.
  • She earns it side-money, so it's not on her taxes.

American English

  • He gets paid side-money for his consulting.
  • She runs the blog side-money while holding a full-time job.

adjective

British English

  • His side-money gig involves tutoring.
  • She found a useful side-money opportunity.

American English

  • He has several side-money streams.
  • It's just a side-money project for now.

Usage

Meaning in Context

Business

Rare in formal business reports; used in informal discussions about diversifying income.

Academic

Seldom used; 'supplementary income' is the formal term.

Everyday

Common in personal conversations about finances, jobs, and hobbies.

Technical

Not a technical financial term; used in fintech or gig economy discussions informally.

Vocabulary

Synonyms of “side money”

Neutral

extra incomesupplementary incomeadditional earnings

Weak

pin moneyspare casha second job

Vocabulary

Antonyms of “side money”

main incomeprimary salarysole source of income

Watch out

Common Mistakes When Using “side money”

  • Using it as a countable noun ('a side money'). Treating it as formal vocabulary in a report. Confusing it with 'savings'.

FAQ

Frequently Asked Questions

No, it is an informal, colloquial term. In formal writing, use 'supplementary income', 'secondary income', or 'additional earnings'.

The term itself is neutral, but it often refers to informal, cash-in-hand work which may not be declared for tax purposes, making it illicit in that specific sense. It is not inherently illegal.

'Side money' focuses on the income itself. 'Side hustle' focuses on the activity or job that generates the income. They are frequently used interchangeably in casual speech.

It functions as an uncountable noun phrase. Example: 'Her side money pays for her art supplies.' You do not say 'a side money' or 'side moneys'.

Money earned from a secondary job or activity, separate from one's main income source.

Side money: in British English it is pronounced /ˈsaɪd ˌmʌn.i/, and in American English it is pronounced /ˈsaɪd ˌmʌn.i/. Tap the audio buttons above to hear it.

Phrases

Idioms & Phrases

  • A little something on the side
  • Feathering one's nest

Learning

Memory Aids

Mnemonic

Think of your main job as the front door to your income; 'side money' is the cash you find through a side window.

Conceptual Metaphor

INCOME IS A PATH (main road vs. side path), MONEY IS A FLUID (main stream vs. side trickle).

Practice

Quiz

Fill in the gap
To save for a deposit, she started by teaching yoga in the evenings.
Multiple Choice

Which phrase is closest in meaning to 'side money' in a formal business context?

Practise

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