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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)

relator
nounC1-C2 / Very Low Frequency
/rɪˈleɪ.tə(r)/A person who relates, narrates, or tells a story.
relatum
nounRare
/rɪˈleɪtəm/An object, term, or concept that stands in a relation to something else; one of the items forming a relational pair.
relaunch
nounverbverb-ambitransitiveB2
/ˌriːˈlɔːntʃ/To start or introduce something again, especially a product, service, or publication, often with improvements.
relax
verbverb-intransitiveverb-transitiveC1
/rɪˈlæks/to become or make someone become less tense, anxious, or rigid; to rest and reduce stress.
relaxant
adjectivenounC1
/rɪˈlaks(ə)nt/A substance (usually a drug or medicine) that reduces tension and induces relaxation, especially in muscles.
relaxation
nounB2
/ˌriː.lækˈseɪ.ʃən/The state of being free from tension and anxiety; the process of becoming less tense or strict.
relaxation oscillator
nounC2 (Very low frequency; specialized technical term)
/ˌriː.lækˈseɪ.ʃən ˈɒs.ɪ.leɪ.tə/An electronic circuit that generates a non-sinusoidal repetitive output signal (such as a square or sawtooth wave) by alternately charging and discharging a capacitor or inductor through a nonlinear element, resulting in a relaxation of stored energy.
relaxation time
nounLow (common in technical/scientific contexts, rare in general conversation)
/ˌriː.lækˈseɪ.ʃən ˌtaɪm/The time required for a system (physical, chemical, biological, or psychological) to return to equilibrium or a baseline state after a disturbance.
relaxin
nounLow (Specialist/Biological)
/rɪˈlaksɪn/A peptide hormone produced during pregnancy that causes the cervix to dilate and the pubic symphysis to loosen, facilitating childbirth.
relay
nounverbverb-intransitive+1B2
/ˈriː.leɪ/ (noun); /rɪˈleɪ/ (verb)To pass something along from one person, place, or point to another.
relay fast
nounLow
/ˈriː.leɪ fɑːst/To pass information or messages quickly from one person or point to another.
relay language
nounC1/C2 - Specialist/Academic
/ˈriː.leɪ ˌlæŋ.ɡwɪdʒ/A language used as an intermediary or 'bridge' to translate or interpret between two other languages that are not directly connected in a translation workflow.
relay race
nounB1
/ˈriːleɪ reɪs/A track and field event in which a team of runners each completes a portion of the total distance, passing a baton to the next runner.
relearn
verbB2
/ˌriːˈlɜːn/To learn something again, especially after having forgotten it or after it has changed.
release
nounverbverb-transitiveC1
/rɪˈliːs/To allow or enable something to escape, move, or become free; to allow information or a product to be published, issued, or made available.
release copy
nounMedium in specialized contexts like publishing and software; Low in everyday language.
/rɪˈliːs ˈkɒpi/A version of a document, software, or media that is approved and made available to the public.
release date
nounB2
/rɪˈliːs deɪt/A predetermined day on which something is made available to the public.
release print
nounC1
/rɪˈliːs ˌprɪnt/In film production, the final, perfected version of a film that is authorized for public distribution and screening in cinemas.
release therapy
nounLow to medium; primarily used in specialized or informal settings.
/rɪˈliːs ˈθerəpi/A therapeutic approach focused on the deliberate letting go of emotional or psychological burdens.
released time
nounMedium-Low
/rɪˈliːst taɪm/A period of time during which students are permitted to leave regular school hours for religious instruction.

Showing 2341–2360 of 5802 words.