indispensable
adjective/ĩdiʃpẽˈsavɛl/high
in·dis·pen·sá·vel
Definition
That cannot be dispensed with; absolutely necessary.
Water is indispensable for life.
His collaboration was indispensable for the project's success.
Common collocations
indispensable elementindispensable conditionindispensable tool
Etymology
Do prefixo negativo 'in-' + 'dispensável', este do latim 'dispensabilis'.