Energy Conservation Vocabulary

noun a system consisting of the parts of an engine through which burned gases or steam are discharged

verb to drain of strength or energy, wear out, or fatigue greatly

• The long hours of work had caused him to feel physically exhausted.
• I'm so exhausted after that workout!
• I'm totally wiped out, I feel so exhausted.
• The endless meetings and deadlines were slowly exhausting her mentally.

noun a person or thing that saves, especially money

adjective describing someone or something that saves or preserves

• A money saver is a person who diligently saves a portion of their income for future needs.
• My mom is a real saver when it comes to finding good deals at the grocery store.
• I'm a total saver when it comes to scoring discounts on clothes.
• Being a time saver, using efficient methods, can greatly increase productivity in the workplace.