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.
The process is similar to using the GetGo checkout-free feature of Tesco’s app – but there is “no need to download or use” the app, and the receipt is provided immediately, rather than digitally a few minutes after exiting.
Source: https://www.express.co.uk/news/uk/1836982/tesco-scan-free-checkout-trial