Meaning : Unskillfulness resulting from a lack of training.
Synonyms : awkwardness, clumsiness, ineptness, maladroitness, slowness
Meaning : Having no qualities that would render it valuable or useful.
Example :
The drill sergeant's intent was to convince all the recruits of their worthlessness.
Synonyms : worthlessness
The quality that renders something desirable or valuable or useful.
worth