adjective. Absolutely necessary; essential.

adjective. Obligatory; unavoidable.

noun. One that is indispensable.

Not to be set aside, evaded, or escaped; inevitable.

Not to be dispensed with; not to be omitted or spared; absolutely necessary or requisite.

Not permissible by dispensation or license; incapable of being legalized.

noun. An indispensable person or thing.

noun. Specifically, trousers.

noun. A bag or pocket, frequently of silk and much decorated, worn by women in the first years of the nineteenth century, on the outside of the gown, instead of inside, as an ordinary pocket would be.

adjective. Not dispensable; impossible to be omitted, remitted, or spared; absolutely necessary or requisite.

adjective. Not admitting dispensation; not subject to release or exemption.

adjective. Unavoidable; inevitable.

adjective. absolutely necessary; vitally necessary

adjective. not to be dispensed with; essential

adjective. unavoidable

"The importance of The Living Age to every American reader, as the only satisfactorily fresh and ~COMPLETE~ compilation of an indispensable current literature, -- _indispensable_ because it embraces the productions of"

dispensable  

critical  necessary  obligatory  vital  

indispensability  indispensableness  indispensably  

compensable  comprehensible  defensible  dispensable  indefensible  

beneficial  crucial  desirable  essential  invaluable  

bare necessities  basic  bedrock  call for  called for