What is the past tense of 'baby-sit'?

The past tense and past participle is 'babysat' (often written as one word).

Is 'baby-sit' only for children?

Primarily yes, but it is often extended humorously or informally to pets, houses, or even tedious tasks ('I had to baby-sit the printer all afternoon').

What's the difference between a 'babysitter' and a 'nanny'?

A babysitter works irregular hours, often evenings, for short periods. A nanny is a regular, often full-time, employee involved in daily childcare and development.

Should I write it as 'baby-sit', 'babysit', or 'baby sit'?

'Babysit' (as one word) is now the most common and recommended form, especially in American English. 'Baby-sit' (with a hyphen) is also correct and was the original form. 'Baby sit' (as two words) is considered incorrect.

baby-sit

UK/ˈbeɪ.bi ˌsɪt/US/ˈbeɪ.bi ˌsɪt/

Informal, but standard and widely accepted in everyday use. The noun 'babysitter' is more common than the verb.

My Flashcards

Definition

Meaning

To temporarily care for a child or children, especially while the parents are away.

To look after or supervise something temporarily or in the absence of the person normally responsible. Can refer to objects, places, or even situations requiring casual oversight.

Linguistics

Semantic Notes

Implies a temporary, paid or unpaid, arrangement. The focus is on supervision and basic care (safety, feeding, putting to bed) rather than parenting. The hyphen is often omitted in modern usage (babysit).

Dialectal Variation

British vs American Usage

Differences

No significant difference in core meaning or usage. The spelling with a hyphen is slightly more common in British sources, while 'babysit' is dominant in American English. The term is equally prevalent in both varieties.

Connotations

Neutral in both. Associated with a common, often teenage, part-time job.

Frequency

High frequency in both varieties in everyday contexts involving childcare.

Vocabulary

Collocations

strong

baby-sit for someonebaby-sit the childrenbaby-sit tonightpaid to baby-sit

medium

baby-sit regularlyask someone to baby-sithire someone to baby-sit

weak

baby-sit the dogbaby-sit the house

Grammar

Valency Patterns

SUBJ baby-sit [for OBJ-indirect]SUBJ baby-sit OBJ-directSUBJ baby-sit

Vocabulary

Synonyms

Strong

childmind - more formal/professional

Neutral

look after (the children)mind (the children) - UK informalsit with (the children)

Weak

watch (the kids) - AmE informalkeep an eye on (the children)

Vocabulary

Antonyms

neglectabandon

Phrases

Idioms & Phrases

“[metaphorical] I'm just baby-sitting this project until the new manager starts.”

Usage

Context Usage

Business

Rare. Only in metaphorical/jargon use: 'We need someone to baby-sit the client during the transition.'

Academic

Virtually never used.

Everyday

Very common. Central to discussions of childcare, social arrangements, and part-time work.

Technical

Not used.

Examples

By Part of Speech

verb

British English

My daughter is going to baby-sit for the Smiths on Friday.
I used to baby-sit my little cousins when I was a teenager.

American English

Can you babysit our kids Saturday night?
She babysat for three hours and earned forty dollars.

adverb

British English

None - not used as an adverb.

American English

None - not used as an adverb.

adjective

British English

She has a regular baby-sitting job.
He quoted his baby-sitting rates.

American English

She has a steady babysitting gig.
What's your typical babysitting fee?

Examples

By CEFR Level

I can baby-sit your cat when you are on holiday.
She baby-sits for her neighbour.

I need to find someone reliable to baby-sit the children this weekend.
He started baby-sitting to earn some extra pocket money.

The conference organisers asked if I could baby-sit the keynote speaker before her presentation.
We've arranged a rota for baby-sitting duties during the family reunion.

The junior diplomat was left to baby-sit the tedious trade negotiations while the senior staff attended the summit.
This software isn't designed for active management; it's just here to baby-sit the server and restart it if it crashes.

Learning

Memory Aids

Mnemonic

Think of the image: a 'baby' and you 'sit' with it. You sit (stay) with the baby to keep it safe.

Conceptual Metaphor

CARING FOR AN ENTITY IS SITTING WITH IT / SUPERVISION IS PHYSICAL PROXIMITY.

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

Do not confuse with "nanny" (няня) – a nanny is a regular, often live-in, employee. Babysitting is irregular/temporary.
Avoid the direct calque "сидеть с ребёнком" in formal contexts; use the verb 'to babysit'.
The Russian phrase "присматривать за" is a good conceptual equivalent.

Common Mistakes

Incorrect: *'I baby-sat to my neighbour's kids.' Correct: 'I baby-sat for my neighbour' or 'I baby-sat my neighbour's kids.'
Overusing the hyphen in modern writing (babysit is standard).
Confusing tense forms: babysit – babysat – babysat.

Practice

Quiz

Fill in the gap

My sister promised to for us next Friday so we can go to the cinema.

Multiple Choice

Which of the following is the LEAST likely meaning of 'baby-sit' in modern informal use?

FAQ

Frequently Asked Questions

: The past tense and past participle is 'babysat' (often written as one word).
: Primarily yes, but it is often extended humorously or informally to pets, houses, or even tedious tasks ('I had to baby-sit the printer all afternoon').
: A babysitter works irregular hours, often evenings, for short periods. A nanny is a regular, often full-time, employee involved in daily childcare and development.
: 'Babysit' (as one word) is now the most common and recommended form, especially in American English. 'Baby-sit' (with a hyphen) is also correct and was the original form. 'Baby sit' (as two words) is considered incorrect.