breakthrough
6 synonyms for breakthrough, grouped by meaning and by how common each one is.
Noun — A sudden, important advance or discovery that overcomes a major obstacle.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
leap forward
game changer
How to use breakthrough
The word patterns that sound natural to a native speaker.
scientific breakthrough
breakthrough infection
major breakthrough
Etymology
From break + through, describing progress that pushes past a barrier.
Full origin of breakthrough →Frequently asked questions
What does “breakthrough” mean?
The word “breakthrough” means a sudden, important advance or discovery that overcomes a major obstacle. In plain terms, a major step forward that solves or gets past something that had been blocking progress.
How do you pronounce “breakthrough”?
“Breakthrough” is pronounced BRAYK-throo (/ˈbɹeɪk.θɹuː/ in IPA).
How do you use “breakthrough” in a sentence?
Here is “breakthrough” used in a sentence: “Scientists announced a breakthrough in cancer treatment.”
What part of speech is “breakthrough”?
Depending on how it is used, “breakthrough” can be a noun and an adjective.
Is “breakthrough” a common word?
“Breakthrough” is a fairly common word in modern English, usually learned at around the B1 level.
How many meanings does “breakthrough” have?
“Breakthrough” has 2 distinct senses listed in this dictionary. The most common is: a sudden, important advance or discovery that overcomes a major obstacle.
What is a breakthrough infection?
A breakthrough infection is an illness that occurs despite a person having protection against it, such as after vaccination. The term highlights that the infection "broke through" an expected barrier of immunity.
What is the difference between a breakthrough and an improvement?
A breakthrough is a sudden, important advance that overcomes a major obstacle, while an improvement is typically a gradual, incremental change. Breakthroughs are notable precisely because they represent a decisive leap rather than steady progress.
Can "breakthrough" be used as an adjective before a noun?
Yes, "breakthrough" functions as an adjective in phrases like "breakthrough case" or "breakthrough treatment," describing something that occurs despite existing protection or that represents a major advance. This adjective use is common in medical and scientific writing.
