著ちょ大だい

na-adjective, noun

exceptionally large; huge; enormous

Describes something remarkably large in size or scale. Often used in literary or emphatic contexts.

• その建たて物ものは著ちょ大だいな規き模ぼを誇ほこっている。

  The building boasts an exceptionally large scale.

• 著ちょ大だいな影えい響きょうを与あたえた出で来き事ごとだった。

  It was an event that had an enormous impact.