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.
Other additions to Bing Chat came earlier this month which included increasing chat turns from 30 to 300, Bing Image Creator being supported in all chat modes, and travel queries generating more visual results.
Source: https://hothardware.com/news/bing-chatbot-can-have-voice-conversation-on-desktop