- The definition of indispensable is essential or absolutely necessary.
When a part is needed to make a machine work, this is an example of when the part isindispensable.
- that cannot be dispensed with or neglected
- absolutely necessary or required
- Absolutely necessary; essential.
- Obligatory; unavoidable: the routine but indispensable ceremonies of state.
- in′dis·pens′a·bil′i·ty, in′dis·pens′a·ble·ness
(comparative more indispensable, superlative most indispensable)