も同然だ (mo-douzen-da): Practically; as good as
～も同然だ (mo-douzen-da)
Meaning
Practically; as good as
Formation and usage
N／Vた + も同然だ
Notation: N = noun; V dictionary = dictionary-form verb; V stem = the stem before ます; plain clause = plain-form clause; negative stem = the form before ない. Follow the attachment shown above.
Explanation
Treats something as practically equivalent to a state even if not literally complete.
Examples
あとは日付を入れるだけなので、資料は完成したも同然だ。
Only the date remains to be added, so the documents is as good as finished.
あとは日付を入れるだけなので、報告書は完成したも同然だ。
Only the date remains to be added, so the report is as good as finished.
あとは日付を入れるだけなので、説明書は完成したも同然だ。
Only the date remains to be added, so the instructions is as good as finished.
あとは日付を入れるだけなので、計画書は完成したも同然だ。
Only the date remains to be added, so the written plan is as good as finished.
あとは日付を入れるだけなので、申込書は完成したも同然だ。
Only the date remains to be added, so the application form is as good as finished.
How related patterns differ
かけ leaves an action unfinished; たきり leaves a subsequent action absent. も同然だ treats a state as practically reached; ところだった nearly reaches it but avoids it. ばそれまでだ makes a consequence final; いったん can mean once or temporarily.