The term 'A Jiffy' is a colloquial expression used to refer to a very short period of time. The crossword solutions for this term are SEC (3 letters), SOON (4 letters), MOMENT (6 letters), TRICE (5 letters), and NOTIME (6 letters). Each of these words can be used to describe a brief period of time, with SEC referring to a second, SOON referring to a near future, MOMENT referring to an instant, TRICE referring to a third of a minute, and NOTIME referring to no time at all.