1. plural of formality; the quality or state of being formal in manner, dress, or procedure
Usage: countable noun; typically used in plural to refer to multiple instances or types of formal requirements or behaviors
2. plural of formality; strict adherence to conventional rules or etiquette
Usage: often used to describe excessive or unnecessary adherence to rules

Examples

• The formalnesses of diplomatic protocol can seem overwhelming to newcomers.
• She appreciated the warmth of the gathering despite all the formalnesses required by tradition.
• The wedding involved numerous formalnesses that the couple found tedious.
• Business formalnesses often create barriers between colleagues.
• He stripped away the formalnesses and spoke directly to the audience.
• The formalnesses of academic dress serve to mark important occasions.