lethargy   (Sound)

The lethargy has 3 Senses.

• sluggishness, lethargy, lassitude
• 休怠, 嗜眠, 昏睡, 無気力, 不活動, 傾眠
• a state of comatose torpor (as found in sleeping sickness)
• こん睡の麻痺状態（眠っている病気に見られるように）

• slackness, inanition, lethargy, lassitude
• 無気力
• weakness characterized by a lack of vitality or energy
• 活力またはエネルギーの欠如によって特徴づけられる弱さ

• sluggishness, lethargy, languor, flatness, phlegm
• 気だるさ
• inactivity; showing an unusual lack of energy; "the general appearance of sluggishness alarmed his friends"
• 不活発