back

See:

at the back of your mind at/in the back of beyond back and forth back away (from something) back down back in circulation back off back out (of something) back the wrong horse back to back back to the drawing board back up (something) back up someone back-door a back-handed compliment back-to-back be back in harness be back on the rails be fed up/sick to the back teeth be [glad/happy/pleased etc.] to see the back of someone/something be on someone's back be on the back burner be (like) water off a duck's back behind someone's back

behind your back break your back break the back of something by/through the back door claw your way back from something could do something with one arm/hand tied behind their back cover your back fit/write something on the back of a postage stamp get someone off your back get off someone's back get your own back get/put someone's back up go back a long way have your back against/to the wall have eyes in the back of your head in the back of your mind It's no skin off my nose. know something like the back of your hand make a rod for your own back the minute someone's back is turned a monkey on someone's back a monkey on your back off the back of a lorry on your back

One step forward, two steps back. a pat on the back pat someone on the back put your back into something put something back on the rails put something on the back burner put/get someone/something back on track ride on the back of something a slap on the back a stab in the back stab someone in the back the straw that breaks the camel's back take a back seat talk out of the back of your head throw something back in someone's face turn your back on someone/something turn your back on someone turn your back on something watch your back when someone's back is turned when/while someone's back is turned with your/its back against the wall would give you the shirt off their back You scratch my back and I'll scratch yours.