instant

[1]	moment , blink of an eye , flash , point , second , heartbeat , jiffy , time , split second , trice , twinkling , wink , New York minute
[2]	moment , moment , second , minute , second , minute , flash , twinkling (of an eye) , trice , (Colloq) jiffy

adj.

[1]	instantaneous , instantaneous , immediate , on the spot , overnight
[2]	urgent , inst , crying , pressing , earnest , imperative , critical , exigent , split-second , direct
[3]	ready-made , clamant , crying , ready-mixed , prepared , exigent , insistent , ready-to-serve , precooked