1. rain or shine - Adverb
2. rain or shine - Phrase
rain or shine
(idiomatic) Regardless of what the circumstances are, and how the weather is.
Coordinate terms: come what may, hell or high water, no matter what
The game will be held on Saturday rain or shine.
He always showed up right on time, rain or shine.
The king can drink the best of wine - So can I; And has enough when he would dine - So have I; And can not order rain or shine - Nor can I. Then where's the difference - let me see - Betwixt my lord the king and me? Charles Mackay
Charleston has something for everyone, rain or shine. Its architecture is unparalleled. Carriage rides are great for seeing the city and hearing the history behind certain houses and the area. Thomas Gibson
My mom was at every single game I played as a kid, rain or shine. Ryne Sandberg
Come rain or shine I walk short distances rather than taking my car. Sophie Ellis-Bextor
As a young child, he is said to have been so transfixed by the violin playing of his local priest that he begged for lessons, which were conceded by another priest in the neighbouring town of San Savino, where the boy walked every day, come rain or shine. Source: Internet
Barangay Ginebra San Miguel defeated Rain or Shine, 100-9,2 on March 8, 2018 at the Big Dome to receive the Game of the Season award in the 2019 event. Source: Internet