The term 'dependent on' can be described by the crossword solutions of RELIANT (7 letters), RELY (4 letters), NEEDY (5 letters), and upto (4 letters). RELIANT means to depend on someone or something for support, while RELY means to have trust in someone or something. NEEDY implies a lack of something and a need for help, while upto suggests that one is dependent on another for something. All of these words describe the idea of being dependent on someone or something for support.