indispensable
adjective
[ ɪndɪˈspɛnsəb(ə)l ]
• absolutely necessary.
• "he made himself indispensable to the parish priest"
Similar:
essential,
crucial,
necessary,
key,
vital,
needed,
required,
called for,
requisite,
important,
all-important,
vitally important,
of the utmost importance,
of great consequence,
of the essence,
critical,
life-and-death,
imperative,
mandatory,
compulsory,
obligatory,
compelling,
urgent,
pressing,
burning,
acute,
paramount,
pre-eminent,
high-priority,
significant,
consequential,
Origin:
mid 16th century (in the sense ‘not to be allowed or provided for by ecclesiastical dispensation’): from medieval Latin indispensabilis, from in- ‘not’ + dispensabilis (see dispensable).
