Translation guide
The English adverb 'comfortably' can express physical ease, financial sufficiency, or a relaxed manner. Japanese uses different adverbs and phrases depending on the nuance.
Describing a state of physical ease, without pain or discomfort.
Adverb from 快適 (comfortable). Used for physical comfort in environments, furniture, clothing, etc.
You can sit comfortably on this sofa.
Implies ease and lack of strain. Often used for posture, movement, or living without hardship.
Please sit comfortably.
Focuses on a pleasant, soothing feeling. Often used for sleep, temperature, or atmosphere.
I slept comfortably.
Having enough money to live without worry.
Winning a competition or game by a large margin, without difficulty.
Clothing or shoes that are not tight and allow ease of movement.
Onomatopoeic adverb for a loose, relaxed fit. Used for clothes, spaces, etc.
This jacket fits comfortably.
Literally 'there is room'. Used for shoes or clothes that are not tight.
These shoes fit comfortably.
Doing something without rushing, in a relaxed manner.
Adverb for doing something slowly and comfortably. Very common.
Please speak comfortably (slowly).
Implies a carefree, leisurely pace. Often used for vacations or days off.
Let's spend the day comfortably.
The English word 'comfortably' does not have a single direct equivalent in Japanese. Translating it as 快適に in all contexts will sound unnatural. Choose the expression that matches the specific meaning.
I want to live comfortably even after retirement.