noun, na-adjective
extensive and wide-ranging; broad and multifaceted
Describes something that covers a wide area and branches into many aspects, such as a discussion, field of study, or range of topics. Often used in formal or written contexts.
彼の知識は広範多岐にわたっている。
His knowledge is extensive and wide-ranging.
会議では広範多岐な議題が話し合われた。
A broad and multifaceted range of topics was discussed at the meeting.
Compound of 広範 (broad, extensive) and 多岐 (many branches, diverse). The exact historical derivation is uncertain, but the combination is used to express both wide scope and multifaceted nature.