Definition for Indispensable:

• absolutely necessary; vitally necessary; " essential tools and materials"; " funds essential to the completion of the project"; " an indispensable worker"

Synonyms for Indispensable:

• adj.

  •life-and-death (adjective)
  • of vital importance.
  •necessary (adjective)
  • key,
  • required,
  • basal,
  • fundamental,
  • basic,
  • necessitous,
  • cardinal,
  • needful,
  • crucial,
  • requisite,
  • prerequisite,
  • imperative,
  • needed,
  • essential,
  • vital,
  • primary.
  •obligatory (adjective)
  • pressing,
  • requisite,
  • constraining,
  • necessary,
  • imperative,
  • mandatory,
  • compulsory,
  • binding,
  • inevitable,
  • obligatory,
  • required.
  •required (adjective)
  • prerequisite,
  • essential,
  • binding,
  • mandatory,
  • involuntary,
  • Stipulated,
  • pressing,
  • required,
  • imperative,
  • inexorable,
  • inevitable,
  • requisite,
  • constraining,
  • compulsory,
  • inescapable,
  • proviso,
  • must,
  • necessary,
  • obligatory.

• n.

  •
  • needful,
  • important.
  •essential (noun)
  • needed.
  •indispensable (noun)
  • obligatory,
  • vital,
  • essential,
  • critical.
  •necessary (noun)
  • basic.

• Other synonyms:

  •
  • urgent,
  • integral.
  •necessary
  • need,
  • have,
  • want,
  • staple,
  • basic.
  •Other relevant words:
  • indispensableness,
  • central,
  • basic,
  • urgent,
  • called for,
  • have,
  • bedrock,
  • Indicated,
  • inbred,
  • critical,
  • exigency,
  • exigent,
  • pivotal,
  • animated,
  • requisition,
  • hesitation,
  • important,
  • need,
  • existent,
  • crucial,
  • delay,
  • in demand,
  • knickers,
  • occasion,
  • bounden,
  • innate,
  • requirement,
  • main,
  • principal,
  • compelling,
  • call for,
  • primary,
  • irreducible,
  • necessity,
  • necessitous,
  • sine qua non,
  • want,
  • high-priority,
  • staple,
  • fundamental,
  • unavoidable,
  • irreplaceable,
  • panties,
  • of the essence,
  • life-and-death,
  • chief,
  • elemental,
  • lack,
  • incumbent,
  • needs,
  • inborn,
  • ingrained,
  • constraint,
  • trousers,
  • quintessential,
  • Necessaries,
  • compulsion,
  • demand,
  • essence,
  • inherent,
  • Necessities,
  • must-have,
  • vital,
  • obbligato,
  • pants,
  • ineluctable,
  • of vital importance,
  • disqualify,
  • key,
  • helpful,
  • provisions,
  • focal,
  • underlying,
  • material,
  • emergency,
  • inwrought,
  • Desideration,
  • distress,
  • integral,
  • Demanded,
  • wanted,
  • elementary,
  • desideratum,
  • life-or-death,
  • basal,
  • expenses,
  • top-priority,
  • needful,
  • real,
  • breeches,
  • obligation,
  • cardinal,
  • idiopathic,
  • subjective,
  • needed,
  • essentials,
  • indispose,
  • substantive.

Antonyms for Indispensable:

• adj.

  • all
    dispensable.
  • necessary
    minor, extra, unimportant, auxiliary, needless, unnecessary, nonessential, superfluous, secondary, additional, redundant, trivial, inessential, dispensable.
  • Other antonyms:
    insignificant, superimposed, superfluous, extra, extraneous, casual, unconnected, optional, inconsequential, subsidiary, fortuitous, transient, outward, supplemental, surplus, excess, unimportant, incidental, accidental, unneeded, undesired, extrinsic, external, Superadded, unwanted, superficial.