step backward

• retreatSanctuary or withdrawal
• recoilBackward force from discharge
• backpedalReverse one's stance
• reverseTurn to opposite
• regressRevert to earlier state

setback · withdrawal · stumble · hesitation · decline · rewind · backstep · falter · recede · shuffle · regression · lurch · misstep · retrace · backing · stagger · flinch · relapse

• setbacksfailing, back to square one, stuck, losing, stumbles
• undoundo, undo button, backtrack, revert, reverse