noun, noun which may take the genitive case particle 'no'
painless; pain-free
Describes medical procedures, treatments, or conditions that involve no physical pain. Often used in compound terms like 無痛分娩 (painless childbirth) or 無痛注射 (painless injection).
This dental clinic offers painless treatment.
More pregnant women are requesting painless childbirth.
painless childbirth; obstetric analgesia during labor
Compound of 無 (mu, 'without') and 痛 (tsū, 'pain'). The reading むつう follows standard on'yomi.