your husband; her husband
Honorific term used to refer respectfully to someone else's husband. Not used for one's own husband.
See also: 主人
How is your husband?
Please give my regards to your husband.
Her husband is a doctor.
How is your husband doing?
夫 is the neutral, formal word for 'husband' with no honorific meaning, unlike ご主人 which specifically honors someone else's husband.
奥さん is the parallel honorific term used to refer respectfully to someone else's wife, while ご主人 refers to someone else's husband.
主人 is the plain or humble term a person uses for their own husband, while ご主人 is the honorific form used to refer to someone else's husband.
Standard respectful spelling with honorific prefix ご.
Formal or literary spelling using the kanji 御 for the honorific prefix; less common in everyday writing.
Honorific prefix ご + 主人 (master, husband). The base word 主人 originally meant 'master' or 'head of household' and came to mean 'husband' in modern usage.