breakthrough

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breakthrough

  • /ˈbɹeɪk.θɹuː/ UK
  • /ˈbɹeɪk.θɹu/ Canada, US
  • [ˈbɹeɪk.θɹʉ] Canada, US
  • [ˈbɹeɪk.θɹɨ] Canada, US
  • /ˈbɹæɪk.θɹʉː/ Australia, New Zealand

Where it comes from

From break + through. Compare German Durchbruch and Dutch doorbraak (“breakthrough”, literally “through-break”).

adjective breakthru

  1. not comparable Characterized by major progress or overcoming some obstacle. a breakthrough technological advance
  2. not comparable Involving the contraction of a disease by a person with a decreased susceptibility, such as a person who has been vaccinated to help prevent that disease. Breakthrough infections (urine infections that develop in children on antibiotics) can occasionally occur, and if they do, different preventative antibiotics can be given or sometimes surgery to fix the leaky valve can be undertaken.

noun breakthroughs · breakthru

  1. An advance through and past enemy lines.
  2. Any major progress; such as a great innovation or discovery that overcomes a significant obstacle. Albert Einstein is credited with making some of the greatest breakthroughs in modern physics.
  3. The penetration of the opposition's defence. But with the lively Dos Santos pulling the strings behind strikers Pavlyuchenko and Defoe, Spurs controlled the first half without finding the breakthrough their dominance deserved.
  4. The penetration of a separating wall or the remaining distance to an adjacent hollow (a crosscut in mining) or between two parts of a tunnel build from both ends.

    Similar: knockthrough

  5. attributive, sometimes The emergence or one or more symptoms of a condition despite medication or other medical treatment. She was on two antiepileptics for five years but then had a breakthrough seizure.

Thesaurus

Closest in meaning: discovery, find, opening, completion, accomplishment, achievement, development, entry, progression, progress, advancement, success, improvement, advance, ahead, forefront

Translations

Every language

adj characterized by major progress

Françaiscapital, primordial, décisif
Deutschbahnbrechend, durchschlagend
Русскийпрорывно́й proryvnój
עבריתפורץ־דרך poretz-derekh, פורצת־דרך poretzet-derekh

noun (engineering) penetration of a physical barrier

DeutschDurchbruch, Durchstich

noun military advance

Españolbrecha
한국어돌파 dolpa
日本語突破 toppa
中文突破 tūpò
Portuguêsbrecha
Françaispercée, trouée
DeutschDurchbruch
Italianobreccia
Русскийпроры́в prorýv
العربيةاِخْتِرَاق iḵtirāq

noun major progress

Españolgran avance, grosso adelanto, groso logro, progreso considerable, innovación significante, éxito significativo
日本語突破 toppa
中文突破 tūpò
Portuguêsavanço
Françaispercée, avancée
DeutschDurchbruch
Italianosvolta, salto di qualità
Русскийпроры́в prorýv
العربيةاِخْتِرَاق iḵtirāq
עבריתפריצת־דרך pritsat-derekh

noun (sports) penetration of the opposition defence

Françaistrouée, percée
Русскийпроры́в prorýv

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Cite this
MLA

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

APA

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

Chicago

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

BibTeX
@misc{breakthrough_2026,
  title = {breakthrough},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/breakthrough},
  urldate = {2026-11-06}
}