A person's or thing's reliance on something is the fact that they need it and often cannot live or work without it. the country's increasing reliance on foreign aid. = dependence. when someone or something is dependent on someone or something else = dependence reliance on/upon
The act of relying, or the condition or quality of being reliant; dependence; confidence; trust; repose of mind upon what is deemed sufficient support or authority
certainty based on past experience; "he wrote the paper with considerable reliance on the work of other scientists"; "he put more trust in his own two legs than in the gun"