Definition

1. Noun:
   • An additional amount needed to restore something to its former or required level: A "top-up" is a supplementary quantity added to something to bring it back to a previous, desired, or full level. It is commonly used in contexts involving liquids, funds, or resources.

Usage Examples

• Noun:
  • I need a top-up of my phone credit before I can make the call.
  • The waiter brought a top-up of water for everyone at the table.
  • The government announced a top-up to the pension fund.

Advanced Usage

• "To give something a top-up": To add a small amount to something to replenish it.
  • Can you give the plants a top-up of water while I'm away?
• "Top-up payment": An extra payment made to increase an amount to a required level.
  • There is a small top-up payment required for the premium service.

Variants and Related Words

• Top up (phrasal verb): The action of adding to something to restore its level.
  • Remember to top up the oil in your car.
• Top-up card (noun phrase): A prepaid card used to add credit to a mobile phone or service.
  • I bought a £10 top-up card for my phone.

Synonyms

• Refill: To fill something again.
• Replenishment: The action of restoring something to a former level.
• Supplement: Something added to complete or enhance.

Related Phrasal Verbs

• Top up: To add more of something to a container or supply to return it to the full level.
  • She stopped at the station to top up the fuel tank.

Related Idioms

• Topping up the tank: Informally, refueling a vehicle.
  • Our first stop will be for topping up the tank.
• A top-up degree: A short academic course allowing graduates to upgrade their qualification.
  • He completed a top-up degree to turn his diploma into a full bachelor's.

Noun

1. an amount needed to restore something to its former level