noun, na-adjective
very sudden; extremely abrupt
A yojijukugo emphasizing an action or event that is shockingly sudden and without warning. Often used in formal or literary contexts.
彼の唐突千万な発言に、会場は静まり返った。
The room fell silent at his extremely abrupt remark.
唐突千万な話で恐縮ですが、本題に入らせていただきます。
I apologize for the suddenness, but let me get straight to the point.
A yojijukugo combining 唐突 (sudden, abrupt) with 千万 (extremely, myriad) to intensify the meaning. The exact historical derivation is uncertain, but it follows a common pattern of intensifying a two-character word with 千万.