Algospasm refers to a sudden, acute muscle contraction that results in severe pain. Antonyms for this word include words that denote the absence of pain or muscle tension, such as relaxation, ease, comfort, and tranquility. For instance, relaxation refers to a state of calmness and lack of tension, while ease implies a lack of difficulty or discomfort. Comfort suggests a feeling of peace and ease, while tranquility implies a state of peacefulness and calm. Other antonyms for algospasm include calmness, serenity, peace, stillness, quietness, and repose. Overall, these words paint a picture of a state of being free from pain and muscle tension, bringing to mind a sense of blissful relaxation and peace.