Fortunateness is a noun that refers to the quality of being lucky, privileged or prosperous. Antonyms for fortunateness vary, depending on the context in which it is used. In some cases, appropriate antonyms for fortunateness might include words such as misfortune, adversity, distress or poverty. Alternatively, lacking can be an appropriate antonym for fortunateness in some instances. This implies that one does not possess the qualities associated with being fortunate. Another possible antonym might be disadvantage, which captures the idea that one faces significant obstacles or challenges that limit their opportunities for success. In general, antonyms for fortunateness often reflect the opposite of the positive attributes associated with being fortunate.