indispensable · adjective
Sens et exemples
Si nécessaire qu’une personne ou une activité ne pourrait pas fonctionner correctement sans cela.
Her knowledge of the archive proved indispensable when the team needed to identify several unsigned letters.
Reliable public transport is indispensable to residents who cannot drive or afford to keep a car.
The small notebook became an indispensable record of decisions that would otherwise have been forgotten.
No individual should become so indispensable that the entire service stops whenever they are unavailable.