Given without an equivalent or recompense; conferred without valuable consideration; granted without pay, or without claim or merit; not required by justice.
Not called for by the circumstances; without reason, cause, or proof; adopted or asserted without any good ground; as, a gratuitous assumption.
To want friendship is a great fault. Friendship ought to be a gratuitous joy, like the joys afforded by art or life. Simone Weil
It does me good to write a letter which is not a response to a demand, a gratuitous letter, so to speak, which has accumulated in me like the waters of a reservoir. Henry Miller
I don't smoke and I don't want to smoke. I am not a fan of gratuitous smoking in films. Edward Norton
To me, a sex scene in a movie generally means a gratuitous scene that doesn't serve the story but gives a kind of excuse - we've got these two actors, we want to see them naked, so let's bring in the music and the soft light. Joseph Gordon-Levitt
Two things I do well in books are sex and violence, but I don't want gratuitous sex or violence. The sex and violence are only as graphic as need be. And never included unless it furthers the plot or character development. Laurell K. Hamilton