Thundercracks are loud, booming sounds produced by lightning during a thunderstorm. The antonyms for the word thundercracks are silence, faintness, stillness, whisper, peacefulness, and quietness. The contrasting words for thundercracks imply a sense of calmness, serenity, and tranquility. They are the sounds of a pleasant breeze blowing through the trees, the soothing pitter-patter of raindrops, or the gentle rustling of leaves. In contrast, thundercracks are sudden, violent, and often associated with fear and danger. Therefore, antonyms for the word thundercracks offer a much-needed sense of relief and comfort during a thunderstorm.