reliance /ɹɪˈlaɪ.əns/ noun4 •The act of relying (on or in someone or something); trust.Your reliance on his expertise may be misplaced. •The condition of being reliant or dependent.The industry is working to phase out its reliance on fossil fuels. •(old-fashioned) Anything on which to rely; ground of trust.The boat was a poor reliance. •A person or thing which relies on another. formsreliances