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.
That’s enough oomph for day-to-day and productivity tasks like answering e-mail’s, browsing the web, spreadsheet work, and so on.
Source: https://www.pcworld.com/article/1468083/1468083.html