1. at worst under the worst of conditions
  2. athirst (usually followed by `for') extremely desirous
  3. atrocity an act of shocking cruelty
  4. at rest in a state of repose or especially sleep
  5. attribute a quality belonging to or characteristic of an entity
  6. worst the least favorable outcome
  7. authorised sanctioned by established authority
  8. attest provide evidence for
  9. outthrust an outcropping of rock that extends outward
  10. authorized sanctioned by established authority
  11. at the worst under the worst of conditions
  12. white rust fungus causing a disease characterized by a white powdery mass of conidia
  13. wheat rust rust fungus that attacks wheat
  14. aphorist someone who formulates aphorisms or who repeats aphorisms
  15. addressed (of mail) marked with a destination
  16. thirst a physiological need to drink
  17. afforest establish a forest on previously unforested land
  18. atrocious shockingly brutal or cruel
  19. amorist one dedicated to love and lovemaking especially one who writes about love
  20. accurst under a curse