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English Words Starting With R
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- retrogress/ˌret.rəʊˈɡres/To return to a less advanced state; to decline or deteriorate.verbverb-intransitiveC2 / Rare
- retrogression/ˌrɛtrə(ʊ)ˈɡrɛʃən/The act or process of going backward, declining, or deteriorating to a less advanced state.nounLow (C1-C2 vocabulary; mostly academic/technical contexts)
- retroject/ˌrɛtrə(ʊ)ˈdʒɛkt/To throw or cast something back in time or space, often used metaphorically for projecting past ideas onto present circumstances.verbVery Low
- retrolental fibroplasia/ˌrɛtrəʊˈlɛntəl ˌfaɪbrəʊˈpleɪzɪə/A medical condition affecting premature infants, characterized by abnormal blood vessel growth and scarring behind the lens of the eye, often leading to blindness.nounVery Low
- retromingent/ˌrɛtrəʊˈmɪndʒənt/Describing an animal that urinates backwards.adjectivenounC2
- retronym/ˈret.rə.nɪm/A new name for something that was named before another form of it developed (e.g., 'acoustic guitar' after the invention of the electric guitar).nounC1/C2
- retropack/ˈret.rəʊ.pæk/A set of retrograde rockets or thrusters on a spacecraft used for deceleration or slowing down during maneuvers such as re-entry or landing.nounLow
- retropulsion/ˌrɛtrə(ʊ)ˈpʌlʃ(ə)n/The act or tendency of being forced or pushed backward, especially a symptom of certain neurological disorders where a patient involuntarily steps or falls backward.nounVery Low / Specialized
- retroreflector/ˌrɛtrəʊrɪˈflɛktə/A device or surface that reflects light, radio waves, or other radiation back to its source with minimal scattering.nounVery low
- retrorocket/ˈrɛtrəʊˌrɒkɪt/A small, auxiliary rocket on a spacecraft or missile, fired in the direction opposite to the direction of flight in order to slow down or alter its course.nounRare
- retrosexual/ˌrɛtrəʊˈsɛkʃuəl/A person, especially a man, who adopts traditional masculine styles and behaviors from past decades.adjectivenounLow
- retrospect/ˈret.rə.spekt/Looking back on or reviewing past events.nounverbverb-intransitive+1C1
- retrospection/ˌretrəˈspekʃn/The act or process of looking back on or thinking about past events.nounC1
- retrospective/ˌrɛtrə(ʊ)ˈspɛktɪv/Looking back on or dealing with past events.adjectivenounC1
- retroussage/ˌrətrʊˈsɑːʒ/A specialized printmaking technique where ink is intentionally left on the surface of an etching plate after wiping, creating subtle tonal effects.nounVery Rare / Technical
- retroversion/ˌrɛtrəʊˈvɜːʃ(ə)n/A turning or tipping backwards of an organ, especially the uterus.nounC2
- retrovir/ˈrɛtrə(ʊ)ˌvaɪə/A proprietary name for the antiretroviral drug zidovudine (AZT), used primarily in the treatment of HIV/AIDS.nounLow (Specialist/Medical)
- retrovirus/ˈret.rəʊˌvaɪ.rəs/A type of virus that inserts a DNA copy of its RNA genome into the DNA of a host cell it invades, thereby changing the genome of that cell.nounLow
- retrude/rɪˈtruːd/To move something backward or into a more rearward position.verb-transitiveVery Rare / Obsolete / Technical
- retrusion/rɪˈtruːʒ(ə)n/The act or process of moving something backward, or the state of being situated or pushed back.nounVery Rare / Technical
Showing 3161–3180 of 5802 words.