supplement

/ˈsʌpləmənt/
verb
  1. To add something extra to improve or complete something.
    • The teacher supplemented the lesson with a video.
    • He supplements his salary by freelancing on weekends.
    • She supplements her diet with extra protein.
noun
  1. Something added to complete or improve something else.
    • The newspaper included a special supplement about the Olympics.
    • His part-time job is a useful supplement to his main income.
    • She takes a vitamin supplement every morning.
  2. An additional part of a book, document, or publication that provides extra information or updates.
    • I bought the travel guide with a map supplement.
    • The magazine's supplement focused on healthy recipes.
    • The dictionary has a supplement with new words.
What does "supplement" mean? | whatsthatwordmean | whatsthatwordmean