Translation guide
The English word 'comfortable' covers physical ease, mental ease, and social ease. Japanese uses different words for each nuance, and sometimes the concept is expressed through verbs or negative forms rather than a direct adjective.
Describing something that feels good on the body, not too tight, not too hot/cold, etc.
Used for physical comfort in environments, rooms, temperature, or clothing. Often implies a pleasant, convenient condition.
This room is very comfortable.
Please set it to a comfortable temperature.
Describes a pleasant physical sensation, like a soft fabric or a gentle breeze. More sensory and emotional than 快適.
This sofa is comfortable to sit on.
A comfortable breeze is blowing.
Specifically for clothing that feels comfortable to wear.
This T-shirt is comfortable to wear.
Means 'easy' or 'comfortable' in the sense of not causing strain. Used for loose clothing, relaxed postures, or easy tasks.
These pants are comfortable, aren't they?
Please sit in a comfortable position.
Feeling relaxed, not anxious or stressed.
Feeling carefree, without worry. Often used when encouraging someone to relax.
Make yourself comfortable. / Relax.
He is always comfortable (at ease).
To feel calm and settled, often in a place or situation. Verb, not adjective.
Describes a place where one feels comfortable and at home.
This town is comfortable to live in.
Feeling relaxed and natural around a person.
Literally 'don't have to be careful/mindful', meaning you can be yourself without worrying.
I feel comfortable with him.
To open up and become comfortable with someone, often after initial reserve.
Describes a person who is easy to feel comfortable with; approachable.
She is a comfortable person to be around.
Having enough money to live without worry.
The loanword コンフォータブル is rarely used in natural Japanese. It may be understood but sounds unnatural. Use the native expressions above instead.
快適 is more objective and often used for functional comfort (air conditioning, ergonomics). 心地よい is more subjective and sensory (softness, breeze, mood).
このカフェは落ち着く。
I feel comfortable in this café.
I feel comfortable at home.
We quickly became comfortable with each other.
裕福な家庭に育った。
I grew up in a comfortable household.