The definition of gratis is free.
(adjective)The drinks that were given at the fundraiser are an example of something gratis.
Gratis is defined as no money was paid.
(adverb)An example of something given gratis is free advice.
See gratis in Webster's New World College Dictionary
See gratis in American Heritage Dictionary 4
adverb & adj.
Origin:
Origin: Middle English
Origin: , from Latin grātīs
Origin: , alteration of grātiīs, out of kindness, free
Origin: , ablative pl. of grātia, kindness; see gwerə-2 in Indo-European roots
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