Corollary
adj, noun ·Moderate ·College level
Definitions
- 1 A gift beyond what is actually due; an addition or superfluity.
- 2 (logic) an inference that follows directly from the proof of another proposition wordnet
- 3 An a fortiori occurrence, as a result of another effort without significant additional effort.
"Finally getting that cracked window fixed was a nice corollary of redoing the whole storefront."
- 4 a practical consequence that follows naturally wordnet
- 5 A proposition which follows easily from the statement or proof of another proposition.
"We have proven that this set is finite and well ordered; as a corollary, we now know that there is an order-preserving map from it to the natural numbers."
- 1 Occurring as a natural consequence or result; attendant; consequential. not-comparable
"However, given current sensibilities about individual privacy and data protection, the recording of oral data is becoming increasingly onerous for researchers who are obliged to navigate an often time-consuming and complex series of administrative requirements and corollary review processes in order to be granted ethics clearance."
- 2 Forming a proposition that follows from one already proved. not-comparable, rare
Example
More examples""Treat others as you would like to be treated" should be accompanied with the corollary "Be reasonable.""
Etymology
From Middle English, from Late Latin corōllārium (“money paid for a garland; gift, gratuity, corollary; consequence, deduction”), from corōlla (“small garland”), diminutive of corōna (“crown”).
Related phrases
More for "corollary"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.