Crankiness refers to a state of irritability, ill-temper, or grumpiness. Antonyms for the word 'crankinesses' include words that describe feelings that are opposite to crankiness. These words may include calmness, complacency, tranquility, composure, and serenity. Calmness refers to a state of peace or quietness, whereas complacency suggests a feeling of satisfaction or contentment. Tranquility describes a serene state of calmness, and composure refers to a state of being calm and composed in situations. Serenity suggests a state of calmness or peacefulness of mind. These opposing words can help one's communication, avoiding using only negative words to express emotions.