(けんたい)

けんたい
noun
weariness; languor; ennui
medicalemotion
1. weariness; languor; fatigue
A feeling of physical or mental tiredness, often chronic or resulting from prolonged activity.
I can't shake this feeling of weariness.
(なつ)バテ倦怠(けんたい)(かん)じる
I feel languid from the summer heat exhaustion.
2. ennui; boredom; tedium
A psychological state of listlessness or dissatisfaction arising from lack of interest or stimulation.
I feel a sense of tedium from repeating the same thing every day.
After doing the same job for many years, you can't help but feel a sense of ennui.

倦怠(けんたい) covers two distinct meanings: physical fatigue and psychological ennui. The word is literary in tone and more formal than everyday expressions for tiredness.

Compounds

Medical usage

倦怠感(けんたいかん) is the standard term in medical contexts for fatigue as a symptom. Doctors commonly ask about it during examinations.

Similar words

  • (つか): general tiredness (everyday word)
  • 倦怠(けんたい): deeper weariness or ennui (literary/formal)
  • 退屈(たいくつ): boredom from lack of stimulation (more casual)