How to disable or turn off Facebook graph search ?
Facebook Graph Search is currently available for English (US) language results so if you change your primary language to any language like English(UK) or other, then you can get rid of Graph search.
To change the primary language go to Account Settings-Language-Edit and select English(UK)- as primary language from drop down menu and save changes.
Just like the old Facebook timeline feature, once you enable it on your account you have no option to disable or turn it off. When you activate Facebook Graph Search it replace the old search bar in the left to Facebook homepage, along with notification bar including Friend Requests, Messages and Notifications bar which shift to right top of Homepage. However the new Graph search is capable to perform all those search tasks which was previously performed by the old search bar, in addition to search for people, places and things. Facebook users are now searching for how to disable graph search or turn off graph search on Facebook So all in all you should think twice before trying it out and activate Graph search on your account. You can’t get rid of that so better do not touch it.