Translation guide
Describes a state of low energy, sluggishness, or lack of motivation. Japanese expressions range from physical drowsiness to emotional apathy.
Feeling heavy, slow, or sleepy due to tiredness, heat, or illness.
Common adjective for physical sluggishness or heaviness, often from fatigue, sickness, or heat.
I feel lethargic today.
I'm so lethargic from a cold that I can't get up.
Similar to だるい but with a nuance of languidness or listlessness, often used for a pleasant tiredness or lazy atmosphere.
Spring afternoons make me feel languid.
Literally 'body is heavy', used when feeling physically weighed down and lacking energy.
My body feels heavy from lack of sleep.
Lacking motivation, feeling indifferent, or emotionally flat.
Noun/na-adjective meaning apathy or lack of motivation. Often used for a state of emotional lethargy.
He is lethargic and doesn't want to do anything.
Common phrase meaning 'can't muster motivation'. Used when feeling mentally lethargic or unmotivated.
Lately I've been feeling lethargic and it's troubling.
Noun meaning a sense of weariness or lassitude, both physical and mental. Slightly formal.
Moving or reacting slowly, lacking energy in action.
Adjective for slow, sluggish movement or action. Can refer to people, animals, or processes.
Turtles are sluggish in their movements.
My thinking is sluggish today.
Adjective meaning dull, slow, or sluggish. Can describe physical movements, senses, or mental acuity.
だるい is the most common word for physical lethargy (tired, heavy). けだるい adds a nuance of languid pleasantness. 無気力 is for mental/emotional apathy and lack of motivation.
I feel lethargic from the fever.
A languid holiday afternoon.
A lethargic (apathetic) life.
I'm overcome by a feeling of lethargy.
I can't shake this feeling of lethargy.
The response is sluggish.