English Words: R

21,470 words · Page 262 of 430

retripverb

To trip again.

retriplicationnoun

A reduplication in which the repeated element occurs three times.

retrireviewnoun

Erroneous, computer-generated form of retrieval.

retroadj

Of, or relating to, the past, past times, or the way things were.

retro runningnoun

Running backwards as a form of exercise or physical therapy.

retro-colonialadj

Pertaining to a modern "retro" interpretation of the US colonial era.

retro-engineerverb

To reverse-engineer; to analyze (an existing item) in order to determine how to replicate it.

retro-engineeringverb

present participle and gerund of retro-engineer

retro-futurismnoun

Alternative spelling of retrofuturism.

retro-modernadj

Having design elements from the modernist movements of the 1920s, 30s, 40s, or 50s.

retro-nostalgianoun

Nostalgia for past trends or media.

retro-operativeadj

retrospective in effect.

retro-orbitaladj

Situated behind the orbit or the eye.

retro-orbitallyadv

In a retro-orbital direction.

retro-Victorianadj

A type of novel or fiction, written in the 20th century or later, that is set in the Victorian era (1837–1901).

retroabdominaladj

retroperitoneal

retroactverb

To act retrospectively or in opposition

retroactionnoun

Any action that has an influence due to a past event

retroactiveadj

Extending in scope, effect, application or influence to a prior time or to prior conditions

retroactivelyadv

Done after the fact; applying to events that have previously transpired.

retroactivenessnoun

The state or condition of being retroactive.

retroactivitynoun

The state or characteristic of being retroactive.

retroadditionnoun

A cycloelimination.

retroaldolizationnoun

The reverse of an aldolization reaction

retroalveolaradj

Behind an alveolus

retroamidenoun

An isomer of an existing amide in which the main substituent is attached to the NH group instead of the CO group of the -CO-NH- group

retroanalysisnoun

retrospective analysis

retroaorticadj

That flows in the opposite direction to that of the aorta

retroareolaradj

Behind (underneath) the areola

retroarticularadj

ventral of the caudal end of the zygomatic arch

retroauriclenoun

A posterior auricle

retroauricularadj

Behind the auricle (of the ear)

retroaxonaladj

In the opposite direction (through a neuron) than normal

retroaxonallyadv

In a retroaxonal manner or direction

retroazimuthaladj

In which the direction to a fixed location B (the bearing at the starting location A of the shortest route) corresponds to the direction on the map from A to B.

retrobiosynthesisnoun

biochemical retrosynthesis

retrobiosyntheticadj

Relating to retrobiosynthesis

retrobulbaradj

Behind the medulla oblongata

retrobulbarlyadv

In a retrobulbar manner or direction

retrocaecallyadv

Alternative form of retrocecally.

retrocalcanealadj

Behind the calcaneus.

retrocalcarineadj

Behind the calcar of the brain

retrocalculateverb

To calculate retrospectively.

retrocalculationnoun

The action or process of calculating retrospectively.

retrocapsularadj

Behind the capsule (of the eye)

retrocardiacadj

Located behind the heart.

retrocausaladj

Of or pertaining to retrocausality.

retrocausalitynoun

Any of several hypothetical phenomena that reverse causality, allowing an effect to occur before its cause.

retrocausallyadv

By means of, or in terms of, retrocausality.

retrocavaladj

Behind the vena cava

Spelling & Dictionary Insight

The English alphabetical index for the letter R contains 21,470 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 430 pages, and you are currently viewing page 262. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.

On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.

For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "R" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.