1.
comfortable; peaceful; at ease
A state of physical or mental comfort and freedom from pain or hardship. Often used in formal or literary contexts.
安楽な生活を送る。
To lead a comfortable life.
老後は安楽に暮らしたい。
I want to live comfortably in my old age.
安楽死についての議論は世界中で続いている。
The debate about euthanasia continues around the world.
Most commonly encountered in the compound 安楽死 (euthanasia, literally 'peaceful death'). Other compounds: 安楽椅子 (easy chair, armchair). As a standalone adjective, 安楽な has a somewhat formal or literary tone; in everyday speech, 楽 or 快適 are more common for describing comfort. Related: 楽 (easy, comfortable — more casual), 快適 (comfortable — modern, everyday).