1. Add as a supplement to what seems insufficient
   "supplement your diet" 
2. Serve as a supplement to
   "Vitamins supplemented his meagre diet" 
3. Add to the very end
   - append, add on, affix

1. Textual matter that is added onto a publication; usually at the end
   - addendum, postscript 
2. A quantity added (e.g. to make up for a deficiency)
   - supplementation 
3. A supplementary component that improves capability
   - accessory, appurtenance, add-on

Derived forms: supplemented, supplements, supplementing

See also: supplementary, supplementation

Type of: add, attach, be, component, comprise, constituent, constitute, element, increase, increment, make up, matter, represent

Part of: back matter, end matter

Encyclopedia: Supplement

• backbreaking
• backchat
• backcloth
• backcomb
• backcross
• backdate
• backdoor
• backdown
• backdraft
• backdraught
• backdrop
• backed
• backer
• backfield
• backfile
• backfill
• backfire
• backflow
• backflowing
• backgammon
• backgammon board
• background
• background knowledge
• background level
• background music