1. Extraordinarily good or great; used especially as an intensifier
   - fantastic, grand, howling, marvelous [US], marvellous [Brit, Cdn], rattling, terrific, tremendous, wonderful, wondrous

See also: extraordinary

• synchronicity
• synchronisation
• synchronise
• synchronised
• synchronised swimming
• synchroniser
• synchronising
• synchronism
• synchronistic
• synchronization
• synchronize
• synchronized
• synchronized swimming
• synchronizer
• synchronizing
• synchronoscope
• synchronous
• synchronous converter
• synchronous motor
• synchronous operation
• synchronously
• synchrony
• synchroscope
• synchrotron
• Synchytriaceae