予よ定てい外がい

noun which may take the genitive case particle 'no', na-adjective, noun

unexpected; unscheduled; unplanned

Describes something not part of the original plan or schedule. Often used for events, expenses, or visits.

• 予よ定てい外がいの出しゅっ費ぴがかさんでしまった。

  Unexpected expenses piled up.

• 彼かれの訪ほう問もんはまったく予よ定てい外がいだった。

  His visit was completely unscheduled.