疲労感

1. Origins, structure, and basic meaning

• Structure: 疲労感 is read as ひろうかん and is a noun for the subjective feeling or sensation of physical or mental fatigue.
• Basic usage: A strong feeling of fatigue remaining after a meeting appears in 強い疲労感が残る, while the sense of fatigue easing after sleep appears in 疲労感が軽くなる.

2. Common pitfalls and similar expressions

• Emphasis on felt fatigue
  • It focuses on the tiredness or heaviness a person experiences rather than on its cause or an objective measurement.
• Difference from 疲労
  • Unlike the general term for fatigue as a condition, this form explicitly emphasizes the person’s felt sensation.