rain or shine
Proposed by a contributor, not yet supported by evidence.
Meaning · English
regardless of the weather
Literally: precipitation or sunlight
Where it’s used:
Used
Widespread English
Examples
Whether it rains or shines, it is my habit to take a walk around the Palais - Royal at five ~ o'clock.
faithfully followed every week, hale, rain or shine!
British National Corpus sentence via the MAGPIE corpus (CC BY 4.0, retrieved 2026-07-30)
Sources & notes
Listed on Wikipedia “Irreversible binomial” (CC BY-SA 4.0, retrieved 2026-07-29). Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “rain or shine” mean?
regardless of the weather Literally: precipitation or sunlight
Is “rain or shine” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.