- 1[countable] two or more things joined or mixed together to form a single unit His treatment was a combination of surgery, radiation, and drugs. What an unusual combination of flavors! Technology and good management. That's a winning combination (= one that will certainly be successful). Many course combinations are possible.
- 2[uncountable] the act of joining or mixing together two or more things to form a single unit The firm is working on a new product in combination with several overseas partners. These paints can be used individually or in combination.
- 3[countable] a series of numbers or letters used to open a combination lock I can't remember the combination.
Check pronunciation: combination