病患|びょうかんbyoukan

1. nounsickness; disease

• Synonym病気びょうきNeutralThe everyday, all-purpose word for illness; 「病患」 is a written Sino-Japanese word that is rarely used.
• Synonym疾患しっかんWrittenA medical term for a disease or disorder, as in 「心疾患」; 「病患」 is likewise written-style but much rarer.
• Synonym疾病しっぺいWrittenThe term used in laws and official documents, as in 「疾病保険」; more common than 「病患」.
• Synonym病魔びょうまWrittenFigures disease as a demon, as in 「病魔と闘う」; carries a literary flavor.
• Synonym病やまいWrittenA literary word for illness that can also mean a bad habit or weakness, as in 「恋の病」.
• Antonym健康けんこうNeutralRefers to being healthy in body and mind — the opposite of the illness that 「病患」 denotes.

Say 「病気」 in everyday speech. Use 「疾患」 in medical contexts and 「疾病」 in laws and official documents; 「病」 and 「病魔」 are literary. 「病患」 itself is a rare written word, and 「健康」 is its antonym.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 体からだが悪わるくなること。また、その悪わるい状態じょうたい。