Backfrom English Grammar TodayBack is an adverb, noun, adjective or verb.Back can mean returning to an earlier starting point or situation or moving to a point further away or replying to something. Back also means at the rear of or the part of a person or thing that is opposite the front.Back as an adverbOlgas not looking forward to going back to school in September.[taking a photograph]Dont move too far back or youll fall in the swimming pool.Sorry, Im ust finishing a meeting. !an I ring you back in ten minutes"Back as a noun#heres a new restaurant at the back of our office building.$ill %oskins is unlikely to play as he hurt his back badly playing in the &ugby $orld !up semi'final and is still receiving treatment.Back as an adjective#he reporters were chasing her and, in order to avoid the cameras, she had to use the back door of the theatre.(nfortunately shes spilt coffee over the back seat of the car.Back as a verb[talking about a pet dog]%es got a lovely temperament but he may panic and bite you if you backhim into a corner.Did you know that during his driving test he backed his car into a bicycle"