• Abating
• Backward flow
• Be uplifted by Crosby's decline (6)
• Declining
• Declining in power
• Fading slowly
• Falling back
• Flowing back
• Going back
• Going out to sea
• Going out, as the tide
• Heading toward empty
• In decline
• On the wane
• Receding
• Refluent
• Sadly, Big Ben is on the decline (6)
• Subsiding
• Winding down
• Fall away or decline
• Flow back or recede
• A gradual decline (in size or strength or power or number)