# corollary

/ˈkɔɹəˌɫɛɹi/ (US) · /kəɹˈɒləɹi/ (UK) · CEFR C2 · Noun

Source: https://englishreference.com/word/corollary
Updated: 2026-08-14

## Definition

a direct result or consequence of something else. If one statement is true, its corollary is another idea that must also be true because of it.

For teachers: a direct or natural consequence of an existing fact or proposition. Formal and countable.

## Examples

- A drop in sales is a corollary of the price increase.
- A necessary corollary of the reduced budget is a pause on all non-essential hiring for the next quarter.
- Her paper argues that a decline in civic engagement is a dismal corollary of a public sphere dominated by polarizing commercial media.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.