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.
Simply reset all settings by navigating to Settings, then 'Transfer or Reset iPhone', and finally select 'Reset All Settings'.
To reset your iPhone, open the Settings app and then tap General > Reset > Reset All Settings & Content (or Erase All Content & Settings).
Source: https://www.devicemag.com/apple-watch-not-pairing-manually/