Instantaneous

Adjective

 * 1) Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.
 * 2) * 1631, William Twisse, A discovery of D. Iacksons vanitie, ch. 6, p. 223,
 * This instantaneous motion is supposed by you, to be infinitely swift.
 * 1) * 1766, Oliver Goldsmith, The Vicar of Wakefield, ch. 14.
 * However, no lovers in romance ever cemented a more instantaneous friendship.
 * 1) * 1813, Jane Austen, Pride and Prejudice, ch. 57,
 * The colour now rushed into Elizabeth's cheeks in the instantaneous conviction of its being a letter from the nephew.
 * 1) * 1907, Joseph Conrad, The Secret Agent, ch. 4,
 * It's the principle of the pneumatic instantaneous shutter for a camera lens.
 * 1) * 2007, Spector jury given graphic account of actress 'murder' Times Online, London, 30 May (retrieved 13 July 2007),
 * He said that the bullet went through her head, severed her spine and death would have been almost instantaneous.

Synonyms

 * instant

Derived terms

 * instantaneously
 * instantaneity

Thesaurus
alert, apt, brief, compact, compendious, concise, curt, curtal, curtate, decisive, decurtate, expeditious, fast, hair-trigger, immediate, instant, lightning-like, little, low, momentaneous, momentary, presto, prompt, punctual, quick, quick as lightning, quick as thought, rapid, ready, short, short and sweet, speedy, spontaneous, succinct, summary, swift, synoptic, transient, transitory

Etymology
, 17th century

Translations

 * Armenian: ,
 * Finnish: välitön, silmänräpäyksellinen, äkillinen
 * French:
 * German:


 * Italian:
 * Russian:
 * Spanish: