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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)

red kangaroo
nounB1
/ˌred ˌkæŋ.ɡəˈruː/A large, iconic marsupial native to Australia, scientifically named Osphranter rufus, known for its reddish-brown fur in males.
red kowhai
nounRare
/ˌrɛd ˈkɔːhaɪ/A hybrid plant, specifically Sophalia (a cross between Sophora species), notable for its distinctive red or reddish flowers.
red label
nounLow
/ˌrɛd ˈleɪbəl/A literal coloured label that is red, used for identification, warning, or categorization.
red larkspur
nounLow
/ˌred ˈlɑːk.spɜː/A cultivated plant (genus Delphinium) known for its tall spikes of deep red or reddish-purple flowers.
red lead
nounLow
/ˌrɛd ˈlɛd/A bright red or orange-red poisonous compound, lead tetroxide (Pb₃O₄), used historically as a pigment in paints, ceramics, and primers, and in the manufacture of batteries and glass.
red light
nounB1
/ˌred ˈlaɪt/A traffic signal showing a red lamp, indicating that vehicles must stop.
red line
nounC1
/ˌred ˈlaɪn/A limit or boundary, especially one that must not be crossed, as it would provoke a strong reaction or consequence.
red liquor
nounC1/C2 (Specialist/Low Frequency)
/ˌred ˈlɪk.ə/A strongly colored, often scarlet-red, alcoholic beverage.
red maids
nounVery Low
/ˌred ˈmeɪdz/A small, low-growing annual wildflower (Calandrinia ciliata) native to western North America, known for its vibrant magenta or reddish-purple flowers.
red man
nounVery Low (historical/archaic, potentially offensive)
/ˌred ˈmæn/A dated, often offensive historical term used to refer to Indigenous peoples of North America, based on skin colour.
red maple
nounLow
/rɛd ˈmeɪpəl/A deciduous tree native to eastern North America, Acer rubrum, known for its red flowers, fruit, and brilliant red autumn foliage.
red mass
nounLow (domain-specific term used primarily in legal/religious contexts)
/ˌred ˈmæs/A Roman Catholic votive mass offered for the guidance of the Holy Spirit upon judges, lawyers, and other officials in the legal profession, typically marking the opening of a judicial year.
red matipo
nounVery Low
/ˌrɛd ˈmɑːtɪpəʊ/A small evergreen tree or shrub native to New Zealand, Pittosporum obcordatum (formerly known as Myrsine australis), characterized by small, heart-shaped leaves and distinctive red twigs and berries.
red meat
nounC1
/ˌred ˈmiːt/the dark-coloured meat of mammals such as beef, lamb, and pork, as opposed to white meat like poultry or fish.
red mercury
nounLow
/ˌrɛd ˈmɜː.kjər.i/A term for a mythical or purported substance of unclear nature, often referenced in conspiracy theories, criminal contexts, or the arms trade as a powerful explosive, radioactive material, or alchemical component.
red mist
nounB2
/ˌred ˈmɪst/A state of intense, irrational anger or rage that clouds judgment.
red mulberry
nounLow
/ˌrɛd ˈmʌlb(ə)ri/A North American deciduous tree (Morus rubra) known for its sweet, dark red to black, edible fruits and its leaves, which are a food source for silkworms.
red mullet
nounC1
/ˌred ˈmʌl.ɪt/A small, brightly coloured saltwater fish with reddish-pink scales, prized for its flavour.
red ned
nounVery low (obscure slang, primarily historical/regional)
/ˌrɛd ˈnɛd/A slang term for cheap red wine, particularly of low quality.
red no. 2
nounLow
/ˌred ˈnʌmbə tuː/A specific synthetic azo dye, also known as amaranth, used as a food coloring (E123 in the EU).

Showing 1661–1680 of 5802 words.