1. red willow Eurasian osier having reddish or purple twigs and bark rich in tannin
  2. credulous showing a lack of judgment or experience
  3. ruddles the common European annual marigold
  4. Rutilus roaches
  5. rootless wandering aimlessly without ties to a place or community
  6. Rhoeadales an order of dicotyledonous plants
  7. roadless lacking pathways
  8. ritualize make or evolve into a ritual
  9. ritualise make or evolve into a ritual
  10. redolence a pleasingly sweet olfactory property
  11. meritless without merit
  12. radiolysis molecular disintegration resulting from radiation
  13. red wolf reddish-grey wolf of southwestern North America
  14. redtail dark brown American hawk species having a reddish-brown tail
  15. fruitless unproductive of success
  16. Ted Williams United States baseball player noted as a hitter (1918-2002)
  17. heartless lacking in feeling, pity, or kindness
  18. fertilize provide with fertilizers or add nutrients to
  19. red algae marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan
  20. red light the signal to stop