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.
Ashrafi agrees, explaining: “When you crack a knuckle or one of your joints, the sound comes from bubbles bursting in the synovial fluid.
Source: https://www.independent.co.uk/life-style/asda-b2301444.html