at short notice
• with little warning or time for preparation.
• "tours may be cancelled at short notice"
in short
• to sum up; briefly.
• "we hope, in short, to bring theory and practice together in each session"
Similar:
briefly,
in a word,
in a nutshell,
in a few words,
in precis,
in essence,
to cut a long story short,
to come to the point,
in conclusion,
summarizing,
in summary,
to sum up,
in sum,
Opposite:
in full,
