Meaning : A very short time (as the time it takes the eye to blink or the heart to beat).
If I had the chance I'd do it in a flash.
Synonyms : blink of an eye, flash, heartbeat, jiffy, new york minute, split second, trice, twinkling, wink
Meaning : Occurring with no delay.
Relief was instantaneous.
Synonyms : instantaneous
Meaning : In or of the present month.
Your letter of the 10th inst.
Synonyms : inst
Instant ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Instant ka matlab kya hota hai?