Phrase guide

corner case

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A problem or situation that occurs only when two or more operating parameters are at extreme values, or when two or more unusual operating circumstances happen to coincide.

Definition source: English Wiktionary via Wiktextract

Topics: engineering, natural-sciences, physical-sciences

Examples

  • 2001, Faisal I. Haque, Khizar A. Khan, Jonathan Erik Michelson, The Art of Verification with Vera, Verification Central LLC The smallest and largest legal packet sizes are examples of the first type of corner case. This type of boundary condition is usually specified by or easily inferred from the externally published feature set of the design.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: edge case

2

noun

Meaning 2

Any unusual scenario.

Definition source: English Wiktionary via Wiktextract

Usage: broadly

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.