Related Clues:

• Slowly reduce, as a cliff face
• Slip away, as support
• Gradually diminish
• Go with the flow, sometimes
• Attenuate
• Thin candle
• Ease off, as rain
• Flow counterpart
• Die away
• Tidal withdrawal
• Diminish slowly
• Recede, as the tide
• Become smaller
• Diminish over time
• Kander's "Cabaret" collaborator