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.
There are plenty of free events in that you can find on the Heritage Open Days website.
Source: https://www.cambridge-news.co.uk/news/history/visit-lesser-known-cambs-second-27661888