To determine the synonym of the word "Brief," we start by understanding its meaning. The word "Brief" typically means something that is short in duration or extent, not taking a long time. Here's a breakdown of the options given:
- Long: Opposite of "brief," meaning extended in time.
- Quick: Refers to speed but doesn't directly relate to duration.
- Short: Corresponds with "brief" in the context of duration or extent, making it a synonym.
- Slow: Related to speed, not duration.
Based on these definitions, the word that is synonymous with "Brief" is Short.