Antonyms for the word "putridness" refer to the concepts of freshness, cleanliness, and wholesomeness. Some of the antonyms include pureness, cleanliness, freshness, sweetness, and healthiness. All these words are quite the opposite of putridness, which denotes a state of decay, decomposition, and malodor. The antonyms could be used in a wide range of contexts, such as describing foods, environments, and situations that are conducive to good health, hygiene, and wellness. An example of using an antonym of putridness in a sentence could be "The air in the garden was filled with the sweet scent of blooming flowers, which was a welcome change from the putridness of the city.