We are a free and open multilingual dictionary that provides instant definitions from many respected reference resources such as the Random House College Dictionary, Princeton WordNet, Wiktionary, Webster Dictionary, U.S. National Library of Medicine, DOD Dictionary of Military and Associated Terms and many more.

Explore usage examples, part of speech, etymologies, voice pronunciations, citations and translations to more than 40 different languages!

Did you know?

The only words with "uu" are vacuum, muumuu, residuum, and continuum

Click for more interesting facts »

Word of the Day Today's Word

Would you like us to email your inbox a FREE new word definition every day?

Please enter your email address:

Share your thoughts about Definitions.net with the community:


We need you!

Help us build the largest human-edited definitions collection on the web!


Our most popular definitions



Our latest definitions

English by kourtney_g
securitas by Seanfogarty88
SECURITAS means SECURITY in English. Securitas is used by over 200 global diff…
BrieCle by Diz.Kid
Talking Much.
jacker by tommy_t
One who plays the game of "Jacks"
frink by ithen11nd
frink means coping substance from other and claim own

Free, no signup required:

Add to Chrome

Get instant definitions for any word that hits you anywhere on the web!

Free, no signup required:

Add to Firefox

Get instant definitions for any word that hits you anywhere on the web!


Are you a words master?

quickly aroused to anger
  • A. lacerate
  • B. inexpiable
  • C. irascible
  • D. tenebrous