Liberal Dictionary English Dictionary
adjective
- absolutely necessary, essential, or requisite: an indispensable member of the staff.
- incapable of being disregarded or neglected: an indispensable obligation.
noun
- a person or thing that is indispensable.
adjective
- absolutely necessary; essential
- not to be disregarded or escapedan indispensable role
noun
- an indispensable person or thing
1530s, from Medieval Latin indispensabilis, from in- “not, opposite of” (see in- (1)) + dispensabilis (see dispensable). Related: Indispensably.