The phrase "wasteful use" refers to using something in a manner that is not efficient or appropriate, resulting in unnecessary or excessive waste of resources or energy. Full definition
Both indoor and outdoor air pollution tend to go hand - in - hand with the inefficient and wasteful use of energy. (iea.org)
ACC's position on straws is designed to help avoid wasteful use by recommending that straws not be provided unless customers ask for them. (americanchemistry.com)
Facing the world today is we need more ready to something versatile, has many functions and not wasteful use of space. (theluxhome.com)