Lengua inglesa
adjective happening or done quickly, without warning or unexpectedly.
[14c: from French soudain , from Latin subire to come or go stealthily]
suddenly adverb .
suddenness noun .
all of a sudden without any warning; unexpectedly.

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sudden death
noun a method of deciding a tied game, contest, quiz, etc by declaring the winner to be the first player or team to score, answer correctly, etc during a period of extra time or in a set of extra questions, etc.
as adjective (sudden-death) a sudden-death play-off .

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sudden infant death syndrome
noun (abbreviation SIDS) med the sudden unexpected death, often at night, of an apparently healthy baby without any identifiable cause on clinical or postmortem examination. Also ( non-technical) called cot death.

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