Related Clues:

• Slacks off
• Bends
• Responds to heat, in a way
• Makes less tense
• Moves gingerly
• Melts
• Moves cautiously
• Reduces, as pressure
• Lessens, as a load
• Caves in
• Unfreezes
• Liquefies
• Backs off, with ''up''
• Makes less difficult
• Moderates