1. in a manner that does not deserve respect, honor, or a particular position or treatment
2. in a way that is not good enough or suitable for something

Examples

• He behaved unworthily during the ceremony, embarrassing his family.
• The student felt she had performed unworthily on the important exam.
• The politician acted unworthily of the trust placed in him by voters.
• She thought she had unworthily represented her team in the competition.
• The employee was dismissed for conducting himself unworthily in front of clients.
• He unworthily accepted praise for work that others had done.