siblings; brothers and sisters
General term for one's own siblings or siblings in general. Can refer to any combination of brothers and sisters. Often used with honorific prefix ご when referring to others' siblings.
See also: ご兄弟
I have three siblings.
How many siblings do you have?
half-siblings; step-siblings; siblings by marriage or adoption
Used when the sibling relationship is not by blood, such as half-siblings, step-siblings, or adopted siblings. Context usually clarifies the exact relationship.
He grew up with step-siblings.
Familiar, casual term used mainly by males to address close friends or peers. Similar to 'bro' or 'mate' in English. Not used toward women or in formal situations.
Hey, mate, how's it going?
I'm one of three siblings.
Hey bro, long time no see.
He has two siblings.
They're as close as brothers.
兄弟 shares the kanji 弟 with 子弟 but means siblings, whereas 子弟 means children or younger family members collectively.
siblings; brothers and sisters
brotherly love; fraternal love; sibling affection