Custody vs Supervision

When to use each in English, with meaning, register, and examples.

Custody

FormalTop 2,000 (common)C1noun

Supervision

Top 2,000 (common)C1noun
Most formal: Custody
 CustodySupervision
Pronunciation🇬🇧 /["/ˈkʌstədi/"]/🇺🇸 /["/ˈkʌstədi/"]/🇬🇧 /["/ˌsuːpəˈvɪʒn/"]/🇺🇸 /["/ˌsuːpərˈvɪʒn/"]/
MeaningThe legal right to take care of someone, often a child.Watching and helping someone do their work.
ExampleThe parents fought over the custody of their children after the divorce.Very young children should not be left to play without supervision.
RegisterFormalNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelC1C1
Part of speechnounnoun
Collocationschild, joint, sole, ask for, claim, demand, battle, dispute, arrangement, custody  of, military, police, protective, be remanded in, be taken into, be held in, in custody, under custody, out of custodyunder supervision, provide supervision, require supervision
Antonymsrelease, freedom, liberationneglect, abandon, disregard
Common mistakesMistakenly using 'custody' as a verb, Confusing 'custody' with 'guardianship' — they are not the same., Using 'custody' only in negative contexts, but it can also apply positively.Confusing 'supervision' with 'supervisor' (the person who supervises)., Using it in too informal contexts., Not using it with the correct prepositions.
Usage notesOften used in legal contexts such as divorce or child welfare. Not appropriate in casual conversations; use more general terms like 'care' or 'look after' when speaking informally.Use 'supervision' in workplaces or educational settings where someone oversees the work of others. Avoid using it in casual conversations, where simpler words like 'help' might be more appropriate.

Frequently asked questions: Custody vs Supervision

What's the difference between Custody and Supervision?

Custody: The legal right to take care of someone, often a child. Supervision: Watching and helping someone do their work.

Which is more formal: Custody and Supervision?

Custody is the most formal of these.

Are Custody and Supervision the same CEFR level?

Custody: C1, Supervision: C1 on the CEFR scale.

Can I use Custody and Supervision interchangeably?

Not always. Custody and Supervision are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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