遠からず|とおからずtookarazu

1. adverbsoon; before long; in the near future
   私も遠とおからずおとなになるだろう。↗

   I will also become a grown-up before long.

• SynonymまもなくNeutralMeans 'right away' or 'very soon' and is typical of announcements, as in 「間もなく発車します」; 「遠からず」 is more written and points to the near future.
• Synonym近々ちかぢかNeutralRefers to the near future, with a slightly colloquial feel; close in meaning to 「遠からず」 and often interchangeable with it.
• SynonymやがてNeutralMeans 'before long' but can also suggest something happening eventually or in the end; 「遠からず」 only says the time is near.
• SynonymほどなくWrittenWritten style meaning 'before long'; often used to narrate events that have already happened, while 「遠からず」 looks to the future.
• SynonymそのうちCasualColloquial; means 'one of these days' with no fixed time in mind, while 「遠からず」 is more written.
• SynonymそろそろCasualColloquial; means 'it's about time' or 'nearly', and can also describe slow, quiet movement; 「遠からず」 is more written.
• SynonymいくばくもなくWrittenWritten style meaning 'not long after'; mostly used in narration of past events, whereas 「遠からず」 speaks of the future.
• Synonym近いうちにちかいうちにNeutralEveryday way to say 'in the near future'; the meaning is close to 「遠からず」, which sounds more written and formal.
• Synonym不日ふじつFormalFormal written word for 'within a few days', seen mostly in letters; rare in use — in daily speech say 「近いうちに」.
• Synonym日ならずひならずWrittenWritten style meaning 'within a few days'; rarely used, and 「遠からず」 covers a wider span of time.
• Related今にいまにCasualColloquial; means 'sooner or later' and often carries a warning, as in 「今に見ていろ」; 「遠からず」 is neutral in tone.
• Related追っ付けおっつけCasualColloquial for 'in a while' or 'before long'; little used nowadays, while 「遠からず」 is more written.
• RelatedもうすぐCasualColloquial; means 'right away' or 'almost', also for a state about to be reached; common in daily speech, while 「遠からず」 is more written and suits predictions.
• Antonym遠くとおくNeutralMeans a far place or a distant past or future; the direct opposite of 「遠からず」.

For something happening right away, say 「もうすぐ」 or 「間もなく」; for the near future, 「近いうちに」 or 「近々」. 「遠からず」 is the written, formal way to say 'soon' or 'in the near future'; for 'someday, one of these days', say 「そのうち」.

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

1. 近ちかいうちに。まもなく。ほどなく。