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.
Later this year, Mr Marshall will also take on the Snowdon 24 race, which is twenty fours hours of walking up and down Llanberis pass as many times as possible, an Iron Man challenge in Wales, a 2.4mile sea swim, a 112km bike ride and a 26.2km run.