Related Clues:

• Slightest
• Lowest in importance
• Minimal amount
• Phrase tacked on for emphasis
• Lowest possible
• Opposite of most
• --- than (at least)
• Smallest amount
• The 'L' of L.C.D.
• Rock-bottom
• Smallest degree
• Every bit
• Merest
• Opposite of the lion's share
• Last alternative?