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.
And better yet, I can do it all from my phone using a fancy-schmancy app called VeSync."
Source: https://www.popsugar.com/home/best-home-gadgets-45637069