English Words Starting With R

• roundhouse

  nounC2/Rare
  /ˈraʊndhaʊs/A building with a circular or semicircular structure, historically a type of locomotive shed where trains are serviced on a turntable; also a powerful circular punch in boxing or martial arts.
• rounding

  adjectivenounLow
  /ˈraʊndɪŋ/The act or process of making something round, circular, or smooth by removing corners or edges; the mathematical process of adjusting a number to a specified degree of accuracy.
• rounding error

  nounC1
  /ˌraʊn.dɪŋ ˈer.ər/A small error in a numerical calculation caused by rounding a number to a certain number of decimal places or significant figures.
• roundlet

  nounVery Low
  /ˈraʊndlɪt/A small circle or circular object; a small round thing.
• roundsman

  nounC2
  /ˈraʊndzmən/A person, typically an employee, whose job involves traveling a fixed route to deliver goods, inspect properties, or perform regular services.
• roundtripping

  nounMedium in technical contexts, low in everyday use
  /ˈraʊndˌtrɪpɪŋ/The practice of sending something out and back, often to create artificial activity, particularly in finance or computing.
• roundup

  nounB2
  /ˈraʊndʌp/The act of gathering or collecting people, animals, or things together.
• roundwood

  nounC1
  /ˈraʊndwʊd/Logs, branches, or other wood in its natural, unprocessed state, as harvested from the forest.
• roundworm

  nounC1
  /ˈraʊndwɜːm/A type of parasitic worm with a long, cylindrical, unsegmented body that commonly infects the intestines of humans and other animals.
• roup

  nounverbVery rare
  /raʊp/To sell by auction.
• rourke

  nounVery Low
  /rɔːk/A proper noun, primarily a surname of Irish origin, referring to a specific individual or family lineage. Often associated with figures in popular culture, particularly the actor Mickey Rourke.
• rous

  nounObsolete / Extremely Rare
  /raʊz/An archaic term meaning a noisy disturbance, commotion, or uproar; to stir up or excite.
• rous sarcoma

  nounVery low
  /ˈraʊs sɑːˈkəʊmə/A specific type of virus-induced malignant tumour in chickens, historically significant as the first cancer shown to be caused by a virus.
• rouse

  nounverbverb-intransitiveverb-transitiveC1
  /raʊz/To wake someone from sleep, or to cause someone to become more active or excited.
• rouseabout

  nounLow
  A labourer, especially on a farm or station, who does a variety of general, unskilled tasks.
• rousseau

  nounLow
  /ˈruːsəʊ/A proper noun referring to the 18th-century Genevan philosopher, writer, and composer Jean-Jacques Rousseau, a major figure of the Enlightenment.
• rousseauism

  nounVery Low
  /ˈruːsəʊɪz(ə)m/The political and philosophical ideas, or adherence to the doctrines, of Jean-Jacques Rousseau (1712–1778).
• roussel

  nounVery Low
  /ˈruːs(ə)l/A less common noun, primarily known as a surname, or used in specific contexts to refer to certain types of nets or traps.
• roussillon

  nounLow
  /ruːˈsɪjɒn/A historical region in southern France, or the wine produced in that region.
• roust

  verbverb-transitiveLow
  /raʊst/To force someone to leave a place, especially by being aggressive or noisy; to disturb or stir up.

Showing 5201–5220 of 5802 words.