Definition

Noun: 1. A supplementary component that improves capability: An item or feature that is not part of the original or standard version of something but can be attached or integrated to provide extra function, utility, or enhancement. 2. A component that is added to something to improve it: Something extra that is included or attached to a main product or system to increase its value, performance, or features.

Usage and Examples

• Noun:
  • The software supports various add-ons for photo editing and data analysis.
  • When booking the flight, we selected several add-ons like extra legroom and priority boarding.
  • The game is free, but many add-ons, such as new character skins, must be purchased separately.

Advanced Usage

• Conceptual Add-on: Can refer to non-physical enhancements, such as additional services or optional features in a contract or agreement.
  • The insurance policy has useful add-ons for travel and gadget coverage.

Variants and Related Words

• Add-on (adjective): Describing something that is supplementary.
  • The car comes with an add-on navigation package.
• Add (verb): The root action from which "add-on" is derived.
• Addition (noun): The general act or process of adding something.

Synonyms

• Accessory: An extra item that complements something.
• Supplement: Something added to complete or enhance.
• Extra: An item or feature available at an additional cost.
• Optional extra: Emphasizes the non-essential, purchasable nature.
• Enhancement: Something that improves the quality or value.

Related Phrases

• As an add-on: Used to describe how something is offered.
  • The warranty is available as an add-on to the basic service contract.

Noun

1. a supplementary component that improves capability
2. a component that is added to something to improve it
   • the addition of a bathroom was a major improvement
   • the addition of cinnamon improved the flavor