The antonyms for the word "a million laugh" could include phrases such as solemn, melancholic, or grief-stricken. On the opposite end of the emotional scale from uproarious laughter, these antonyms convey a sense of sadness or seriousness. Words like somber, grave, or mournful could also be considered antonyms for "a million laugh," as they denote an absence of joy and levity. Other antonyms might include quiet, subdued, or reserved, indicating a lack of exuberance or outward emotion. In general, any words that convey a sense of emotional restraint or negative emotion could be considered antonyms for "a million laugh.