painless   (Sound)

The painless has 2 Senses.

• painless
• requiring little hard work or exertion; "a painless solution to the problem"
• ほとんど重労働または努力を必要としないさま

• painless
• 無痛性
• not causing physical or psychological pain; "painless dentistry"
• 肉体的または精神的な苦痛を起こさない