Adjective

(en adjective)

(ecclesiastical, obsolete) Not admitting ecclesiastical dispensation; not subject to release or exemption; that cannot be allowed by bending the canonical rules.

The law was moral and indispensable . -Bp. Burnet

Absolutely necessary or requisite; that one cannot do without.

An indispensable component of a heart-healthy diet.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=2 citation , passage=But through the oligopoly, charcoal fuel proliferated throughout London's trades and industries. By the 1200s, brewers and bakers, tilemakers, glassblowers, pottery producers, and a range of other craftsmen all became hour-to-hour consumers of charcoal. This only magnified the indispensable nature of the oligopolists.}}

Adjective

(en adjective)

Too implausible to be credible; beyond belief; unbelievable.

* 1980 September 16, (w), quoted in William A. Schwartz et al., The Nuclear Seduction: Why the Arms Race Doesn’t Matter—And What Does , University of California Press (1990, 1993), ISBN 0-520-06134-9, page 29:

I get lost in what is credible and not credible. This whole thing gets so incredible when you consider wiping out whole nations, it is difficult to establish credibility.

* 2009 , (Diarmaid MacCulloch), A History of Christianity , Penguin 2010, page 796:

He therefore found revealed religion incredible in a literal sense, and, as Bayle had done before him, he radically separated morality from the practice of organized religion.

Amazing; astonishing; awe-inspiring.

He was so wrapped up in watching the incredible special effects that he couldn't keep track of the story.

Marvelous; profoundly affecting; wonderful.

I had such an incredible slice of pizza last night that I simply can't think about anything else.