寂しさ

1. Origins, structure, and basic meaning

• Structure: 寂しさ is read as さびしさ and can mean “loneliness” or “desolation”, depending on context.
• Basic usage: The examples show loneliness after parting from family and desolation after a festival expressed in poetry.

2. Common pitfalls and similar expressions

• Distinguishing senses and uses
  • It is the noun formed from adjective 寂しい with さ, naming the feeling or quality of loneliness or desolation.