Assign vs Delegate

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

Assign

Top 1,000 (very common)B2verb

Delegate

Top 2,000 (common)C1noun
Most common: Assign
 AssignDelegate
Pronunciation🇬🇧 /["/əˈsaɪn/","/əˈsaɪnz/","/əˈsaɪnd/","/əˈsaɪnɪŋ/"]/🇺🇸 /["/əˈsaɪn/","/əˈsaɪnz/","/əˈsaɪnd/","/əˈsaɪnɪŋ/"]/🇬🇧 /["/ˈdelɪɡət/"]/🇺🇸 /["/ˈdelɪɡət/"]/
MeaningTo give a job or task to someone.To give someone else the responsibility to do a task.
ExampleThe teacher will assign homework every Friday.Congress delegates rejected the proposals.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 2,000 (common)
CEFR levelB2C1
Part of speechverbnoun
Collocationsassign a task, assign a role, assign homework, assign responsibility, assign a projectconference, congress, convention, choose, elect, select, attend (something), approve, vote (on something), delegate from, delegate to
Antonymsremove, unassignretain, keep, control
Common mistakesConfused with 'designate' which has a similar meaning., Misusing 'assign' with plural subjects, e.g., saying 'assigns a task' instead of 'assigns tasks'., Using 'assign' incorrectly in non-task contexts.Using 'delegate' as a noun instead of a verb., Confusing 'delegate' with 'delegate' as a person., Omitting the 'to' before the person's name.
Usage notesUse 'assign' in professional or educational contexts. It's suitable for discussing tasks, responsibilities, or homework. Avoid using it in casual conversations where simpler terms may be more appropriate.Often used in professional settings to describe assigning tasks to team members. Be careful not to over-delegate, as this can lead to a lack of accountability.

Frequently asked questions: Assign vs Delegate

What's the difference between Assign and Delegate?

Assign: To give a job or task to someone. Delegate: To give someone else the responsibility to do a task.

Which is more common: Assign and Delegate?

Assign is the most common in everyday English.

Are Assign and Delegate the same CEFR level?

Assign: B2, Delegate: C1 on the CEFR scale.

Can I use Assign and Delegate interchangeably?

Not always. Assign and Delegate 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.

Related comparisons