The adjective gratuitous means uncalled for, done unnecessarily or with no reasonable cause. It also refers to (something) that is given voluntarily, without a fee or something in return.

Synonyms are unjustified, unwarranted, complimentary, or free.

The word origins from the Latin (1650s) gratuitus meaning “done without pay, spontaneous, voluntary” and gratus meaning “pleasing, agreeable” or gratia meaning “favor”. Earlier it was called gratuital (1590s). Sense of “uncalled for, done without good reason” is first recorded in 1690s.

That was a gratuitous insult.

The extra effects in the movie were gratuitous.

There is a page moderator so gratuitous comments are not allowed here. You’ll definitely get blocked.