1. arduous characterized by effort to the point of exhaustion
  2. arts studies intended to provide general knowledge and skills
  3. artisan a skilled worker who practices some trade or handicraft
  4. artesian relating to water that rises due to natural pressure
  5. arethusa any of several bog orchids of the genus Arethusa having 1 or 2 showy flowers
  6. iridesce be iridescent
  7. artiste a public performer (a dancer or singer)
  8. artifice the use of deception or trickery
  9. articulate express or state clearly
  10. Ardisia tropical evergreen subshrubs (some climbers) to trees of Asia and Australasia to Americas
  11. Artois a former province of northern France near the English Channel (between Picardy and Flanders)
  12. Orites small genus of Australian shrubs or trees
  13. courtesy a considerate and respectful manner
  14. ARDS acute lung injury characterized by coughing and rales
  15. artist person whose creative work shows sensitivity and imagination
  16. artless simple and natural; without cunning or deceit
  17. yard sale an outdoor sale of used personal or household items held on the seller's premises
  18. grotesque distorted and unnatural in shape or size
  19. iritis inflammation of the iris
  20. aerides any orchid of the genus Aerides