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instantaneous

adjective

1 instantaneous

Occurring with no delay:
— Relief was instantaneous.

synonym: instant.

Roget 111: transient, transitory, transitive; passing, evanescent, fleeting, cursory, short-lived, ephemeral; flying etc. v.; fugacious, ... show more

Roget 113: instantaneous, momentary, sudden, immediate, instant, abrupt, discontinuous, precipitous, precipitant, precipitate; subitaneous, hasty; quick as thought, quick as lightning, ... show more


Moby thesaurus: alert, apt, brief, compact, compendious, concise, curt, curtal, curtate, decisive, decurtate, expeditious, fast, hair-trigger, immediate, instant, lightning-like, little, low, momentaneous ... show more.

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