ellei

ellei

"ElleI" means "unless" in English.

The word 'ellei' introduces a condition in which not conditionally doing something would occur (if it doesn't rain, we will go).

Lähdemme lenkille, ellei sada.

We will go for a run unless it rains.

Here 'ellei' indicates a condition where the occurrence depends on the plans remaining unchanged.

Elleivät suunnitelmat muutu, kokous pidetään huomenna.

Unless the plans change, the meeting will be held tomorrow.

Here, 'ellei' introduces a condition that must be met for the main action to occur.

En lähde ulos, ellei sää parane.

I won't go outside unless the weather improves.