名詞 languor:

1. a relaxed comfortable feeling
   同義詞：dreaminess
2. a feeling of lack of interest or energy
   同義詞：lassitude, listlessness
3. inactivity; showing an unusual lack of energy
   同義詞：lethargy, sluggishness, phlegm, flatness

lan.guor

n.（名詞）
Lack of physical or mental energy; listlessness.See Synonyms at lethargy
無精打采，衰弱無力：缺乏體力或精神；無精打采參見 lethargy
A dreamy, lazy mood or quality:
倦怠，消沉：恍惚的、懶惰的狀態(tài)或特性：
例句：
.It was hot, yet with a sweet languor about it.(Theodore Dreiser)
.天氣是炎熱的，然而卻有一種愜意的懶洋洋的感覺.(西奧多·德萊塞)

Oppressive quiet or stillness.
郁悶：令人壓抑的安靜或寂靜

來源：
Middle English
中古英語
from Old French
源自 古法語
from Latin
源自 拉丁語
from languôre [to be languid] * see languish
源自 languôre [疲倦] *參見 languish

【引伸】
lan.guorous
adj.（形容詞）
lan.guorously
adv.（副詞）
lan.guorousness
n.（名詞）