supplement
noun /ˈsʌplɪmənt/
  /ˈsʌplɪmənt/
- a thing that is added to something else to improve or complete it- vitamin/dietary supplements (= vitamins and other foods eaten in addition to what you usually eat)
- supplement to something Industrial sponsorship is a supplement to government funding.
 Extra Examples- The farmer adds a supplement to the horse's feed.
- women who take a daily supplement of folic acid
- means-tested supplements to the basic pension
 Oxford Collocations Dictionaryadjective- useful
- valuable
- colour/color
- …
 - provide (somebody/something with)
- add
- take
- …
 - supplement to
 
- an extra separate section, often in the form of a magazine, that is sold with a newspaper- the Sunday colour supplements
- Our special supplement is packed with ideas for healthy hair.
 WordfinderTopics TV, radio and newsc2- article
- columnist
- editorial
- feature
- headline
- journalist
- newspaper
- obituary
- review
- supplement
 Oxford Collocations Dictionaryadjective- useful
- valuable
- colour/color
- …
 - provide (somebody/something with)
- add
- take
- …
 - supplement to
 
- supplement (to something) a book or a section at the end of a book that gives extra information or deals with a special subject- the supplement to the Oxford English Dictionary
- a supplement to the main report
- You can use these books as supplements to the basic English course.
 Oxford Collocations Dictionaryadjective- useful
- valuable
- colour/color
- …
 - provide (somebody/something with)
- add
- take
- …
 - supplement to
 
- (British English) an amount of money that you pay for an extra service or item, especially in addition to the basic cost of a holiday synonym surcharge- supplement (for something) There is a £10 supplement for a single room.
- supplement on something There is a supplement on rooms with a sea view.
- at/for a supplement Safety deposit boxes are available at a supplement.
 Extra Examples- If you want to travel on a different day a flight supplement is payable.
- We charge a small supplement for this service.
- Weekend flights carry a supplement.
 Oxford Collocations Dictionaryadjective- additional
- extra
- $100
- …
 - add
- charge
- carry
- …
 - be payable
 - at a supplement
- supplement for
- supplement on
- …
 
Word Originlate Middle English: from Latin supplementum, from supplere ‘fill up, complete’, from sub- ‘from below’ + plere ‘fill’.