backlash

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backlash

  • /ˈbækˌlæʃ/

Where it comes from

From back- + lash.

noun backlashes

  1. countable, uncountable A suddenly reversed or backward motion, such as of a rope or elastic band when it snaps under tension.
  2. countable, figuratively, uncountable A negative reaction, objection or outcry, especially of a violent or abrupt nature. The public backlash to the proposal was quick and insistent.
  3. countable, uncountable The looseness through which one part of connected machinery, such as a wheel, gear, piston, or screw, can be moved without moving the connected parts, or a measurement of the distance moved thereby; either intentional (as allowance) or unintentional (from error or wear). ... the word "backlash" is used in the extended sense in which it is understood in Lancashire and Yorkshire , including not only backlash proper , but also break of contact between the working faces of the teeth of the two wheels when the driven wheel overruns the driver without actual backlash . To
  4. countable, uncountable The jarring or reflex motion caused in badly fitting machinery by irregularities in velocity or a reverse of motion. In ...breakages from high speed and irregular pitch, ten out of the eleven wheels had spur segments moulded from patterns, instead of by machinery; and in three of the ten the teeth were cast upon the felks, and were twisted and drawn, as they generally are when cast in this way, by the contraction

    Similar: lash, play

verb backlashes · backlashing · backlashed

  1. To perform a backlash, to lash back in reaction to some cause. 1894 William Westall. Tinkler. Ludgate Illustrated Magazine. Vol VIII Thrutch factory was a queer old concern. It had been built piecemeal-here a bit and there a bit. There were a new end and an old end, the spinning-rooms in the one being light and lofty, in the other low. and gloomy. Looms were sh

Thesaurus

Closest in meaning: recoil, backfire, rebound, repercussion, backsliding, retreat, retrogression, regress, throwback, regression, set, rollback, setback, resistance, rejection, opposition

Translations

Every language

noun sudden backward motion

Españolreacción opuesta, contragolpe
Portuguêscoice, reação
Deutschzurückspringen, wegspringen, Reaktion, Rückwirkung
Italianoreazione
Ελληνικάαντίδραση antídrasi

noun violent or abrupt reaction

Españolcontragolpe, reacción clamorosa / negativa
日本語バックラッシュ bakkurasshu
中文反彈 /反弹 fǎntán
Portuguêscomoção, revolta, motim
Françaisretour de bâton, retour de manivelle
DeutschGegenreaktion, Ausbruch, Rückstoß, Aufschrei
Italianocontraccolpo
Ελληνικάαντίκτυπος antíktypos, εξέγερση exégersi
Русскийреа́кция reákcija, ответка otvetka, отпор otpor
Tiếng Việtchống đối
العربيةرَدّ فِعْل عَنِيف radd fiʕl ʕanīf

noun mechanical: distance of free movement between connected parts

Españoljuego, holgura, huelgo
日本語バックラッシュ bakkurasshu
Portuguêsjogo
Françaisjeu
DeutschSpiel, Spielraum, Luft (mech.)
Italianogioco, passo
Ελληνικάδιάκενο diákeno
Русскиймёртвый ход mjórtvyj xod, люфт ljuft, зазо́р zazór, свобо́дный ход svobódnyj xod

noun jarring motion in badly fitting machinery

DeutschRumpeln
Italianoscuotimento, stridore, dissonanza

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MLA

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

APA

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

Chicago

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

BibTeX
@misc{backlash_2026,
  title = {backlash},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/backlash},
  urldate = {2026-11-06}
}