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English Words Starting With R

5,802 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

riesman
nounVery Low (Proper Noun)
/ˈriːsmən/A person whose surname is Ries, derived from a German-language name for someone from Reisland or a variant of the surname Reis.
riesz space
nounVery Low
/riːʃ speɪs/A partially ordered vector space where every pair of elements has a supremum (least upper bound) and an infimum (greatest lower bound). It is a mathematical structure important in functional analysis.
rieti
nounB2
/ˈraɪ.ət/a violent public disturbance by a crowd, often involving damage to property and clashes with authority.
rietveld
nounLow
/ˈriːtfɛlt/A proper noun, primarily referring to Gerrit Rietveld (1888–1964), a Dutch furniture designer and architect, a leading member of the De Stijl movement.
rievaulx abbey
nounVery Low
/ˈriːvoʊ ˈæbi/A proper noun referring to the ruins of a specific, historically significant Cistercian monastery in North Yorkshire, England.
rif
nounverb-transitiveExtremely Rare / Obsolete
/rɪf/An archaic or dialectal term meaning to rive, tear, or scratch; also used in certain technical contexts to denote the act of using a riffler (a small, curved file).
rifacimento
nounC2 (Very Low Frequency / Specialist)
/rɪˌfætʃɪˈmɛntəʊ/A reworking, revision, or remake of a musical, literary, or artistic work.
rifampicin
nounC2 (Specialist/Technical)
/ˌrɪfæmˈpaɪsɪn/A semisynthetic antibiotic derived from rifamycin, used primarily to treat tuberculosis and other bacterial infections by inhibiting bacterial RNA synthesis.
rifampin
nounC2 (Very Low Frequency)
/ˈrɪfəmpɪsɪn/A semisynthetic antibiotic used to treat tuberculosis and other bacterial infections, working by inhibiting bacterial RNA synthesis.
rifaʿiya
nounC1
/ˈrɪf.raf/People regarded as socially inferior, disreputable, or worthless.
riff
nounverbverb-intransitiveB2-C1
/rɪf/A short, repeated, and often improvised musical phrase, typically in jazz, rock, or blues.
riffage
nounVery Low
/ˈrɪf.ɪdʒ/The playing of riffs, particularly in rock or jazz music.
riffle
nounverbverb-ambitransitiveC1
/ˈrɪf(ə)l/To turn over or shuffle something quickly and lightly, especially pages, cards, or papers.
riffler
nounC2
/ˈrɪflə/A small curved file used in woodworking or metalworking, designed for filing in tight or concave spaces.
riffola
nounVery Low
/rɪˈfəʊlə/A nonsense word; a playful, humorous term for a series of riffs, especially in music or conversation.
riffraff
adjectivenounLow/Medium
/ˈrɪf.raf/People who are considered disreputable or undesirable, often from a lower social class.
rifle
nounverbverb-transitiveB2
/ˈraɪfl̩/A long gun with a spirally grooved barrel, designed to be fired from the shoulder.
rifle bird
nounRare/Very Low Frequency
/ˈraɪf(ə)l bəːd/A medium-sized bird native to Australia and New Guinea, known for the male's velvety black plumage with iridescent throat patches and long, wiry central tail feathers.
rifle green
nounlow
/ˈraɪfəl ɡriːn/A specific dark green colour, historically associated with the uniforms of rifle regiments.
rifle grenade
nounC1
/ˈraɪf(ə)l ɡrəˈneɪd/A grenade designed to be launched from the muzzle of a standard infantry rifle.

Showing 3801–3820 of 5802 words.