Definition

1. Verb:
   • To appoint as a substitute or representative: To officially give someone the authority to act on behalf of another person, typically in a formal or professional role.
   • To act as a substitute or representative: To temporarily perform the duties or take the place of another person.

Usage

• The verb "deputise" is used to describe the action of either appointing a substitute or serving as one. It is often followed by the preposition "for" when indicating who is being replaced.
• It is commonly used in professional, official, or organizational contexts (e.g., in meetings, legal settings, or performances).

Examples

• Appointing a substitute:
  • The manager will deputise her assistant to attend the conference in her absence.
  • The committee voted to deputise a member to negotiate on their behalf.
• Acting as a substitute:
  • Can you deputise for me at the board meeting tomorrow?
  • The understudy had to deputise for the lead actor who was ill.

Advanced Usage

• "to deputise as": To act in the capacity of a specific role temporarily.
  • She was asked to deputise as chairperson during the election process.
• The concept is central to systems of delegated authority, where power or responsibility is formally transferred for a specific purpose or period.

Variants and Related Words

• Deputize: The preferred spelling in American English. It has the same meaning and usage as "deputise".
• Deputy (n.): A person appointed to act on behalf of another. This is the noun form from which the verb is derived.
  • The sheriff's deputy handled the situation.
• Deputation (n.): A group of people appointed to represent others.
  • A deputation from the union met with management.

Synonyms

• Substitute: To take the place of another.
• Stand in: To act as a temporary replacement.
• Act for: To perform duties on behalf of someone else.
• Cover for: To temporarily take over someone's responsibilities.

Phrasal Verbs / Common Constructions

• Deputise for (someone): This is the standard construction for the verb when meaning "to act as a substitute".
  • I had to deputise for my colleague while she was on maternity leave.

Related Idioms

• Hold the fort: To take temporary charge. While not a direct synonym, it conveys a similar idea of acting in someone's stead.
  • While the boss is away, can you hold the fort? (This implies taking on responsibilities but not necessarily through a formal act of deputising.)

Verb

1. appoint as a substitute
2. act as a substitute
   • She stood in for the soprano who suffered from a cold