supplement

US /ˈsʌpləmənt/

UK /'sʌplɪmənt/

B1

noun

  • Added extra to support or make something complete
  • Vitamins, etc. added to diet for health reasons
  • Additional section, e.g. of a newspaper

verb

  • To add extra to support or make something complete

Examples

The farmer adds a supplement to the horse's feed.

a $20 supplement for each extra night