Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adverb & adjective Without payment or charge.

from The Century Dictionary.

  • For nothing; freely; without pay: as, to perform service gratis.
  • Gratuitous.

from the GNU version of the Collaborative International Dictionary of English.

  • adverb For nothing; without fee or recompense; freely; gratuitously.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adverb free, without charge
  • adjective free, without charge

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adverb without payment
  • adjective costing nothing

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Latin grātīs, alteration of grātiīs, out of kindness, free, ablative pl. of grātia, kindness; see gwerə- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin gratis.

Examples