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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)

renewable energy
nounHigh
/rɪˈnjuːəbl ˈɛnədʒi/Energy derived from natural sources that are replenished at a higher rate than they are consumed, such as sunlight, wind, rain, tides, waves, and geothermal heat.
renewables
plural-nounC1
/rɪˈnjuːəbl̩z/Energy sources that are naturally replenished on a human timescale, such as wind, solar, and hydro power.
renewal
nounC1
/rɪˈnjuːəl/The action of extending the period of validity of something, or the process of being made new again.
renewed
adjectiveverbB2
/rɪˈnjuːd/Having been made new again; restored, revived, or resumed.
renfrew
nounC1
/ˈrɛnfruː/A proper noun referring to a town and council area in west-central Scotland, on the south bank of the River Clyde.
renfrewshire
nounC2
/ˈrɛnfruːʃər/A council area and historic county in west-central Scotland, bordering Glasgow to the east and the Firth of Clyde to the west.
renga
nounLow
/ˈreŋɡə/A Japanese form of collaborative linked-verse poetry.
reni
nounVery Low / Obscure
/ˈriːni/The word 'reni' is not a standard English lexical item. It is either a proper noun (e.g., a placename in Romania), a rare surname, or a potential misspelling of other words.
renifleur
nounVery Low / Obscure
/ˌrɛnɪˈflɜː(r)/A person who derives sexual pleasure from smelling odours, especially from soiled clothing; a person addicted to sniffing.
renin
nounC1/C2 (specialised academic/medical vocabulary)
/ˈriːnɪn/A protease enzyme produced by the kidneys that plays a key role in the regulation of arterial blood pressure via the renin-angiotensin-aldosterone system (RAAS).
renminbi
nounB2
/ˌrɛnmɪnˈbiː/The official currency of the People's Republic of China.
rennes
nounC1
/rɛn/The capital city of the Brittany region in northwestern France.
rennet
nounLow
/ˈrɛnɪt/A substance, often derived from the stomach lining of young ruminants, used to curdle milk in the production of cheese.
rennie
nounLow in general English, medium in everyday health contexts.
/ˈrɛni/A brand of antacid medication used to relieve heartburn and indigestion.
rennin
nounLow
/ˈrɛnɪn/An enzyme that curdles milk, used in cheese-making.
reno
nounC2 (Very Low Frequency; highly informal, context-specific slang)
/ˈrɛn.əʊ/A short, informal term for a renovation, especially of a building or vehicle.
renography
nounLow
/rɪˈnɒɡ.rə.fi/A medical imaging procedure used to assess the function and structure of the kidneys.
renoir
nounLow
/ˈrɛnwɑː/A French impressionist painter (1841–1919), Pierre-Auguste Renoir
renosterveld
nounVery low
/rɪˈnɒstəvelt/A type of fire-prone shrubland vegetation native to the Western Cape of South Africa.
renounce
nounverbverb-intransitive+1C1
/rɪˈnaʊns/To formally and publicly give up, abandon, or reject something, especially a claim, title, belief, or practice.

Showing 2541–2560 of 5802 words.