Adjective

(en adjective)

Not possible; not able to be done or happen.

* 1865 , (Lewis Carroll), (w, Alice's Adventures in Wonderland)

Nothing is impossible , only impassible.

* 13 March 1962 ,

Those who make peaceful revolution impossible will make violent revolution inevitable.

* {{quote-magazine, date=2013-06-28, author=(Joris Luyendijk)

, volume=189, issue=3, page=21, magazine=(The Guardian Weekly) , title= Our banks are out of control , passage=Seeing the British establishment struggle with the financial sector is like watching an alcoholic […].  Until 2008 there was denial over what finance had become. When a series of bank failures made this impossible , there was widespread anger, leading to the public humiliation of symbolic figures.}}

(colloquial, of a person) Very difficult to deal with.

(math, dated) imaginary

impossible quantities, or imaginary numbers

Adjective

(en-adj)

(usually, not comparable) Able but not certain to happen; neither inevitable nor impossible.

*

, title=(The Celebrity), chapter=8 , passage=The humor of my proposition appealed more strongly to Miss Trevor than I had looked for, and from that time forward she became her old self again;

(comparable) Capable of being done or achieved; feasible.

* {{quote-book, 1901, Louis Freeland Smith, The Public, volume=4, page=438, pageurl=http://babel.hathitrust.org/cgi/pt?id=inu.30000080738168&page=search;seq=444;view=image;num=438

, passage=And success in minor degree, in the sense in which he uses the term "success," is only somewhat more possible than success in winning the White House chair.}}

* {{quote-news, 1993, September 10, Lee Michael Katz, Expectant Mideast hopes to bear twin peace deals, USA Today, page=2A citation

, passage=Peace between Israel and the Arab countries is "more possible than any time before," says ex-Arab League U.N. ambassador Clovis Maskoud. }}

* {{quote-magazine, date=2013-06-29, volume=407, issue=8842, page=72-3, magazine=(The Economist)

, title= A punch in the gut , passage=Mostly, the microbiome is beneficial. It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible . Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.}}

Being considered, e.g. for a position.