0 changeable and therefore difficult to be ready for -- imprévisible
his unpredictable moods ses humeurs imprévisibles
Conditions at sea that can be unpredictable. Des conditions maritimes qui sont incertaines.
1 changing often so that it is possible to know what will happen -- incertain, imprévisible
unpredictable weather.
2 (of a person) changing their behaviour/behavior so often that you never know what they are going to do -- imprévisible
He has an unpredictable personality.
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Nous pouvons le compléter étape par étape, quelle que soit la longueur de la route, et il ne peut pas être terminé, quelle que soit la longueur de la route, si vous ne marquez même pas votre empreinte.