Rejection

n. refusal, denial, act of rejecting; state of being rejected; auto-immune response to a transplanted organ or body tissue

The word "rejection" was first used in 1415. The original meaning was "to throw" or "to throw back".Rejection may mean:In psychology, social rejection is an interpersonal situation that occurs when a person or group of people exclude an individual from a social relationship. This may lead to an emotional state of rejection.In medicine, transplant rejection usually refers to the immune reaction of a host organism to a foreign biological tissue, such as in a transplantation.In telecommunications, rejection is the receiving of the desired signal without interference from another undesired one. See Electronic selectivity.In basketball, rejection is a slang term for a block.In manufacturing and technology, rejected components are ones that do not meet standards because they are faulty, broken or do not work in some way.In mathematics, rejection sampling is a technique used to generate observations from a distribution.
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Rejection /re·jec·tion/ an immune reaction against grafted tissue that results in failure of the graft to survive. re·jec·tion n. 1. [more]Rejection - Community and Resources

Noun
1. the act of rejecting something; "his proposals were met with rejection"
(hypernym) act, human action, human activity
(hyponym) brush-off
(derivation) refuse, reject, pass up, turn down, decline
2. the state of being rejected
(antonym) acceptance
(hypernym) situation, state of affairs
(hyponym) apostasy, renunciation, defection
3. (medicine) an immunological response that refuses to accept substances or organisms that are recognized as foreign; "rejection of the transplanted liver"
(hypernym) organic phenomenon
(classification) medicine, medical specialty
4. the speech act of rejecting
(hypernym) speech act
(hyponym) repudiation, renunciation

(n.)
Act of rejecting, or state of being rejected.