reflex

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reflex

  • /ˈɹiːflɛks/
  • /ɹɪˈflɛks/

Where it comes from

From Late Latin reflexus, past participle of reflectere (“to bend back”), equivalent to re- + flex. Photography sense is from noun sense meaning “reflection”. Compare English reflect.

noun reflexes

  1. An automatic response to a simple stimulus which does not require mental processing. For a while, I shall have to make a conscious effort to smile, nod, stand and perform the thousands of little gestures which constitute life on Earth, and then those gestures will become reflexes again.
  2. The descendant of an earlier language element, such as a word or phoneme, in a daughter language.

    Opposite: etymon

  3. rare The ancestor word corresponding to a descendant. The Middle Korean reflex for mey was mwoy 뫼
  4. The descendant of anything from an earlier time, such as a cultural myth. The superstition of the loup-garou, or werewolf, belongs to the folklore of most modern nations, and has its reflex in the story of "Little Red Riding-hood" and others.
  5. A reflection or an image produced by a reflection; the light reflected from an illuminated surface to one in shade. A reflex camera uses a mirror to reflect the image onto a ground-glass viewfinder.

adjective more reflex · most reflex

  1. Bent, turned back or reflected. the reflex act of the soul, or the turning of the intellectual eye inward upon its own actions
  2. Produced automatically by a stimulus. It's easier to focus on the particular relationship or object (as in 'pornography', for example) than on the sexist (racist, ageist, etc.) attitudes that generate the almost reflex violence taught in our schools, churches, legal processes, families, mass entertainment, and advertising propaganda.
  3. of an angle Having greater than 180 degrees but less than 360 degrees. A polygon is said to be convex when no one of its angles is reflex.

    Similar: re-entrant

  4. Illuminated by light reflected from another part of the same picture.

verb reflexes · reflexing · reflexed

  1. transitive To bend back or turn back over itself.
  2. obsolete, transitive To reflect (light, sight, etc.).
  3. obsolete, transitive To reflect or mirror (an object), to show the image of.
  4. obsolete, transitive To cast (beams of light) on something. The ſpring is hindered by your ſmoothering hoſt, For neither rain can fall vpon the earth, Nor Sun reflexe his vertuous beames thereon. The ground is mantled with ſuch multitudes.
  5. To respond to a stimulus.

Thesaurus

Closest in meaning: reflexive, automatic, involuntary, physiological reaction, instinct, habit, reaction, formative, response, compensatory, knee-jerk, impulse, gag, glare, reflection, reflective

Translations

Every language

noun automatic response

Españolreflejo
한국어반사 bansa
日本語反射 hansha
中文反射 fǎnshè
हिन्दीप्रतिवर्त क्रिया prativart kriyā
Portuguêsreflexo
Françaisréflexe
DeutschReflex
Italianoriflesso
Ελληνικάαντανακλαστικό antanaklastikó
Русскийрефле́кс refléks
Tiếng Việtphản xạ
العربيةمُنْعَكَس munʕakas

noun the descendant of an earlier language element, such as a word or phoneme, in a daughter language

Españolreflejo, continuador
Françaiscontinuateur
DeutschKontinuante, Fortsetzer
Italianoriflesso, continuatore

adj of a type of camera

Españolréflex

Talk about this word

Cite this
MLA

"reflex." Wiktionary, via Micwyn, micwyn.com/word/reflex. Accessed 6 Nov. 2026.

APA

reflex. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/reflex

Chicago

"reflex." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/reflex.

BibTeX
@misc{reflex_2026,
  title = {reflex},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/reflex},
  urldate = {2026-11-06}
}