1. hairless having no hair or fur
  2. harmless not causing or capable of causing harm
  3. hair mousse toiletry consisting of an aerosol foam used in hair styling
  4. hairiness the quality of having hair
  5. heartless lacking in feeling, pity, or kindness
  6. hair oil a toiletry for the hair
  7. hourglass a sandglass that runs for sixty minutes
  8. airless lacking fresh air
  9. harass annoy continually or chronically
  10. harness an arrangement of leather straps fitted to a draft animal
  11. heirloom something that has been in a family for generations
  12. hornless having no horns
  13. tireless characterized by sustained hard work and perseverance
  14. wireless medium for communication
  15. heiress a female heir
  16. hairline a very thin line
  17. hair cell a sensory epithelial cell present in the organ of Corti
  18. hair seal any of several seals lacking external ear flaps and having a stiff hairlike coat with hind limbs reduced to swimming flippers
  19. hairlike long and slender with a very small internal diameter
  20. humorless overly serious and lacking playfulness or amusement