Worthlessness is a term that describes the lack of value or importance of something. It can be used to describe a person, object, or idea. The crossword solutions for this term are 'NOTHINGNESS' and 'INSIGNIFICANCE', both of which refer to the same concept. NOTHINGNESS is an 11-letter word that implies that something has no value or worth, while INSIGNIFICANCE is a 14-letter word that suggests that something is not important or significant. Both words can be used to describe the concept of worthlessness.