back out (v.)

• abandon
• abjure
• backpedal
• boggle
• deny
• disavow
• discard
• disclaim
• disengage
• disown
• evacuate
• falter
• forsake
• forswear
• funk
• jettison
• jilt
• leave
• maroon
• quit
• recant
• renege
• renounce
• repudiate
• resile
• retire
• retract
• retreat
• revoke
• scuttle
• skedaddle
• swallow
• unsay
• vacate
• welsh
• withdraw