regression
noun
the act of going back to a previous place or state; return or reversion.
regressions
-
pluralof regression.plural
The grammatical form denoting more than one person, place, thing, or idea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They had run the regressions, conducted the robustness checks, and done the work.
From The Wall Street Journal ● Sep. 7, 2026
Datadog’s strength revolves around observability, which is all about “providing context to the state of every part of the business including performance regressions, outages, or issues concerning security and compliance,” according to the company’s website.
From MarketWatch ● May 7, 2026
“If key departures slow iteration, cause quality regressions, or reduce community trust, the open-source flywheel weakens.”
From Barron's ● Mar. 17, 2026
Former audio programmer Isaac Hudd says "mistakes started piling up" during crunch, and says "regressions", where one team would fix a bug only for another to unwittingly bring it back to life, became increasingly common.
From BBC ● Oct. 18, 2025
The flight instructors mistakenly attributed the pilots’ deterioration to their praise of them, and likewise the pilots’ improvement to their criticism; both, however, were simply regressions to the more likely mean performance.
From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos
