supplement
🇺🇸
/ˈsʌplɪmənt/
🇬🇧
/ˈsʌplɪmənt/
Something added to make another thing better or more complete.
Taking a vitamin supplement can help improve your health.
An extra part sold with a newspaper, like a magazine.
The Sunday paper includes a special supplement with recipes.
A book or part of a book that gives more information.
This book has a supplement with extra practice exercises.
Extra money paid for something special, like a better room.
There is a small supplement for a larger room.
To add something to make another thing better or more complete.
She uses online courses to supplement her studies.