Related Clues:

• Undersized one
• Tiny bug
• Half-pint
• Flea
• Tick cousin
• Little litter critter
• Somewhat, with "a"
• Infesting critter
• Underweight delivery, maybe
• The Biblical widow's offering
• The smallest of a litter
• The smallest of the litter
• Very small creature or child
• Turn to the smallest of the litter
• The widow's contribution, just in time