Open Dictionary
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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Usage examples (39)
  • We are more resource-efficient now than at any time in human history.
  • As a software developer and former IT guru, I wan something fast, resource-efficient, and RELIABLE.
  • Interface continued up the mountain by reducing and moving towards resource-efficient transportation.
  • By 2020, China expects to quadruple its GDP over the year 2000, while becoming an “environmentally friendly, resource-efficient society.”
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The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.