Is come rain or shine formal or informal?

It is neutral and slightly informal. It fits speech, writing, and friendly business communication.

Can I use come rain or shine in business writing?

Yes, if you want a warm, human tone. For very formal writing, use regularly or consistently instead.

Is come rain or shine the same as no matter what?

They are close, but not identical. Come rain or shine usually suggests a repeated habit or steady promise.

← Dictionary

come-rain-or-shine

/ˌkʌm reɪn ɔː ˈʃaɪn/

IELTSAcademic

idiom

If you do something come rain or shine, you do it regularly no matter what happens. It shows strong commitment and reliability.

She visits her parents come rain or shine.
He jogs every morning, come rain or shine.

Adinary Nuance

Use come rain or shine when you want to stress steady commitment. It is warmer and more personal than always or regularly. It is also stronger than no matter what, because it suggests habit and dependability. Writers choose it when they want a friendly, vivid tone.

In other languages

Vietnamese: mưa hay nắng
Spanish: llueva o truene
Chinese: 风雨无阻
Japanese: 雨でも晴れでも
Korean: 비가 오나 눈이 오나

Etymology

This fixed phrase uses common weather words to mean “whatever the conditions.” It became established in English in the 19th century as a lively, memorable expression.

Common phrases

come rain or shinerain or shinehere, come rain or shine

Synonyms

always regularly faithfully consistently

Frequently asked questions

Is come rain or shine formal or informal?: It is neutral and slightly informal. It fits speech, writing, and friendly business communication.
Can I use come rain or shine in business writing?: Yes, if you want a warm, human tone. For very formal writing, use regularly or consistently instead.
Is come rain or shine the same as no matter what?: They are close, but not identical. Come rain or shine usually suggests a repeated habit or steady promise.