- 1[countable, uncountable] a thing that makes a situation more complicated or difficult The bad weather added a further complication to our trip.
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- 2[countable, usually plural] (medical) a new problem or illness that makes treatment of a previous one more complicated or difficult She developed complications after the surgery. Infertility is one of the complications of this type of radiotherapy.
Check pronunciation: complication