o'clock

Definition

Examples

The train to the city leaves at nine o'clock sharp.

Collocations

• Easy at five o'clock
  indicating a specific point in time, place, or degree five o'clock
• Medium morning briefing starts at nine o'clock sharp
  describing morning briefing starts at nine o'clock sharp (the time period between dawn and noon)
• Hard executive teleconference scheduled for ten o'clock prompt
  describing executive teleconference scheduled for ten o'clock prompt (a person responsible for the administration of a business)
• Very Hard ticking past eleven o'clock on the doomsday clock
  to ticking past eleven o'clock on the doomsday clock, meaning to make a clicking or ticking sound