1. plural of briefness; the quality or state of being brief in duration or length
Usage: countable plural form; often used in formal or academic contexts

Examples

• The briefnesses of the speeches allowed time for discussion.
• We appreciated the briefnesses of the meeting agenda.
• The briefnesses of winter days affect mood for many people.
• The briefnesses of their visits made them all the more special.
• The briefnesses of the instructions caused some confusion.