Answer: jiff

AnswerCrossword Clue
JIFFInstant
jiffjiffy
jiffa short time, also JIFFY
JIFF"Be there in a ..."
JIFFSec.
JIFFQuick second
JIFFInstant: Colloq.
JIFFInstant: Slang.
JIFFA very short time: Colloq.
JIFFNo time at all
JIFFFlash
JIFFBrief moment, briefly
JIFFVery short time
JIFFBlink of an eye
JIFFBlink of an eye, for short
JIFFSec
JIFFTwo shakes, with "a"
JIFFShort time
JIFFBrief sec