0 an area of hard material covering part of a wall, for example in a kitchen, so that the wall is protected and easy to clean if liquid falls onto it:
Stainless steel is an increasingly fashionable, hard-wearing and beautiful material for worktops, splashbacks and appliances.
I don't want splashback from dirty plates in my coffee, thanks.
There is a traditional Aga cooker, but behind it is a pale-blue glass splashback.
I asked her to make me a few tiles for a splashback in my kitchen.
When he spoke, he punctuated every sentence by spitting on the edge of the stage, unquestionably sending some saliva splashback onto the superfans in the front row.