Longman Dictionary of Contemporary English
The Collaborative International Dictionary
Inadmissible \In`ad*mis"si*ble\, a. [Pref. in- not + admissible: cf. F. inadmissible.] Not admissible; not proper to be admitted, allowed, or received; as, inadmissible testimony; an inadmissible proposition, or explanation. -- In`ad*mis"si*bly, adv.
Douglas Harper's Etymology Dictionary
1776, from in- (1) "not, opposite of" + admissible. Related: Inadmissibility.
Wiktionary
a. Not admissible, especially that cannot be admitted as evidence at a trial
WordNet
adj. not deserving to be admitted; "inadmissible evidence" [ant: admissible]
Usage examples of "inadmissible".
In his phenomenological examination of the theme of love, in exploring the border zone between eroticism and licit sexuality, between irony and nostalgia, Kundera succeeds brilliantly in revealing the inadmissible: all the essentially comical elements concealed in human sexuality!
Electronic evidence was notoriously manipulatable -inadmissible in honest courts.
Clinging to the mast of this magic cherry tree was an abundance of equally inadmissible mistletoe, sacred since the dawn of time, when the Druids used to harvest it with silver sickles before going on to perform solstitial rites of memorable beastliness at megalithic sites all over Europe.
In my view, it is wholly inadmissible for any gentleman holding a military commission from the United States to utter such sentiments as Major Key is within proved to have done.
So parol evidence would be admissible, no doubt, to enlarge or diminish the extent of the liability assumed for nonperformance, where it would be inadmissible to affect the scope of the promise.
Hence, in most legal systems for thousands of years, a report of a performative statement has been admissible as evidence, since it is regarded not as a report of what someone said (for it would then be inadmissible as hearsay) but as evidence of an action, of what someone did.