1. rest mass (physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body
  2. restless lacking physical or mental ease
  3. isthmus a narrow strip of land connecting two larger land areas
  4. rustiness the condition of being coated or clogged with rust
  5. rustless without rust
  6. posthumous occurring or coming into existence after a person's death
  7. Christmas a Christian holiday celebrating the birth of Christ
  8. customs money collected under a tariff
  9. rest house a building used for shelter by travelers
  10. customise make to specifications
  11. rest home an institution where people are cared for
  12. systemise arrange according to a system or reduce to a system
  13. rust mite any of several varieties of mite that burrow into plants and cause a reddish-brown discoloration on the leaves or fruit
  14. reedmace tall marsh plant with cylindrical seed heads that explode when mature shedding large quantities of down; its long flat leaves are used for making mats and chair seats; of North America, Europe, Asia and North Africa
  15. residence any address at which you dwell more than temporarily
  16. estimate judge tentatively
  17. residency the act of dwelling in or occupying a place
  18. customize make to specifications
  19. restrain hold back
  20. frost mist small crystals of ice

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.