1. A very short time (as the time it takes the eye to blink or the heart to beat)
   - flash, heartbeat, instant, jiffy, split second, trice, twinkling, wink, New York minute, jiff

Type of: bit, minute, mo, moment, second

• u-drive
• U-shaped
• U-turn
• U. S. Army Special Forces
• U. S. Code
• U.S. National Library of Medicine
• U.S. waters
• U308
• UAE
• uakari
• uber-
• ubergeek
• ubersexual
• ubiety
• ubiquinone
• ubiquitous
• ubiquitously
• ubiquitousness
• ubiquity
• Ubykh
• UC
• Uca
• UCAS
• UDA
• udder