"Heavy dependence" means relying heavily on something or someone for support, help, or resources. It indicates a strong and significant reliance on a particular thing or person. Full definition
The state has also made progress in cutting carbon dioxide emissions to help address climate change, but needs more reductions, and could be hampered by heavy dependence on natural gas. (ucsusa.org)
When faced with obstacles and challenges, Ukrainian ladies are able to reach conclusions and solutions with ease and confidence, without heavy dependence on others. (blog.behappy2day.com)
There's heavy dependence on coal and fossil fuels, less experience with environmental remediation, and a fast - growing industrial sector. (picor.dreamhosters.com)