unworthy
«…の» 価値がない «of» , «…に/…するに» 値しない «of/to do»
e.g. he was unworthy of trust and unfit to hold office.
〈行為などが〉 【人･地位などに】ふさわしくない, 不相応な «of»
e.g. the expression of anger was frowned upon as being unworthy.
無価値の
e.g. many pieces are unworthy and ungrammatical.
DERIVATIVES