NSW Opportunity Class
Gratuitous
adjective/gruh-too-i-tus/
uncalled for; lacking good reason; unwarranted.
In contextThe movie was criticised for its gratuitous use of violence.
Remember it
Gratuitous means given 'free' of any good reason — like a freebie nobody asked for or wanted.
Use it well
Pairs with 'violence', 'insult', 'detail' — use for things added without good reason.