au grand sérieux /ō grã sā-ryøˈ/ (French; now très au sérieux /tre-zō/) in all seriousness.

• time series
• time-served
• timeserver
• timeservers
• time-service
• time-services
• time-serving
• timeshare
• time-sharer
• time-sharers
• timeshares
• time-sharing
• time sheet
• time sheets
• time signal
• time signals
• time signature
• time signatures
• times immemorial
• time slice
• time slices
• time slot
• time slots
• time spirit
• time spirits