Part of speech:
Without payment or charge.
Given as a courtesy at no charge:
Not subject to a given condition; exempt:
The definition of expensive is costly or having a very high price.
At the cost of great effort, damage, sacrifice, etc.
Discharged or settled by or as by payment
Capable of reasoning; rational:
Merited or earned:
Find another word for gratuitous. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for gratuitous, like: for-nothing, gratis, unwarranted, unessential, unnecessary, complimentary, needless, free, expensive, costly and paid.