1 the act or an instance of failing
2 a person or thing that is unsuccessful or disappointing
the evening was a failure
3 nonperformance of something required or expected
failure to attend will be punished
4 cessation of normal operation; breakdown
a power failure
5 an insufficiency or shortage
a crop failure
6 a decline or loss, as in health or strength
7 the fact of not reaching the required standard in an examination, test, course, etc.
8 the act or process of becoming bankrupt or the state of being bankrupt
1 a condition in which the heart is unable to pump an adequate amount of blood to the tissues, usually resulting in breathlessness, swollen ankles, etc.
2 sudden and permanent cessation of the heartbeat, resulting in death
n (Photog) a failure of the two exposure variables, light intensity and exposure time, to behave in a reciprocal fashion at very high or very low values
n a condition in which the respiratory system is unable to provide an adequate supply of oxygen or to remove carbon dioxide efficiently
English Collins Dictionary - English Definition & Thesaurus
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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"