efficient

noun1 of 2

able to work well without waste

• “There must be a more efficient way to do this.”Tatoeba
• “Capitalism efficiently allocates resources according to our needs and wants.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

adjective2 of 2

Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy