Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The "self-sufficient" race requires competitors to carry everything they need with them during the competition, including backpack's containing food and sleeping equipment.
Source: https://www.bbc.co.uk/news/uk-england-hereford-worcester-65088894?at_medium=RSS&at_campaign=KARANGA