従前|じゅうぜんjuuzen[0]heiban (flat)

1. no-adjectiveprevious; former
   もっとも重要じゅうような点てんは、エメットの理論りろんが物理学ぶつりがくの従前じゅうぜんの理論りろんと矛盾むじゅんしないということである。↗

   It is that Emmet's theory is compatible with previous theories in physics that is of most significance.

• Synonym従来じゅうらいNeutralFor things that have been so all along up to now, as in 「従来の方法」. Much more common than 「従前」 and not confined to legal or official wording.
• Related過去かこNeutralThe plain, most common word for the past in general — any time before now. It does not carry 「従前」's nuance of the state before a change in official wording.
• Related既往きおうWrittenA written/formal word for the past; in medicine it refers to prior illness or experience, as in 「既往歴」 (medical history).
• Related来し方きしかたWrittenThe past as the course of life one has walked; a literary, written-style word, often set against 「行く末」.
• Related過ぎ来し方すぎこしかたWrittenBygone days or the road one has come by, tinged with nostalgia and pathos; rare, and unlike 「従前」 it cannot serve as official-document wording.
• Antonym以後いごNeutralFrom a certain time onward, that time included; the antonym of 「従前」's 'before'.
• Antonym以降いこうNeutralOn and after a given point in time; the opposite of 「従前」, as in 「明日以降」.

For 'as it has been all along' use 「従来」; for the pre-change state in laws and official documents use 「従前」, as in 「従前どおり」; for the past in general use 「過去」. For 'after' use 「以後」 or 「以降」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 以前いぜん。これまで。