至る・到る|いたるitaru[2]nakadaka (mid-high)

1. godan verb, intransitive verbto arrive at (e.g. a decision); to reach (a stage); to attain
   その語ごは広ひろい意味いみを持もつに至いたった。↗

   The word has acquired a broad meaning.
2. godan verb, intransitive verbto lead to (a place); to get to
   この道みちは公園こうえんに至いたる。↗

   This road goes to the park.
3. godan verb, intransitive verbin the extreme case ofas ～に至っては
4. godan verb, intransitive verbto come; to arrive; to result in
   赤貧せきひん戸口ここうに至いたらば、恋こいは窓まどより飛び去とびさる。↗

   When poverty comes in at the door, love flies out the window.

• Synonym達するたっするNeutralReaches a number, level or goal (「目標に達する」), with the nuance of meeting a target; 「至る」 centres on a situation developing to a stage or a conclusion.
• Synonym到達とうたつNeutralA Chinese-derived noun for reaching a goal (「頂上に到達する」), somewhat written in tone; 「至る」 is a verb that also covers stages and conclusions.
• Synonym届くとどくNeutralFor things or sounds getting through or being delivered (「手紙が届く」); its subject is usually an object, while 「至る」 describes how a situation develops.
• Synonym到着とうちゃくNeutralThe arrival of a person or vehicle at its destination (「到着時刻」); the focus is physical arrival at a place, not a situation reaching a stage.
• Synonym及ぶおよぶNeutralFor influence or damage spreading as far as something (「被害が及ぶ」); the nuance is extension of range, where 「至る」 marks a stage reached.
• SynonymやってくるCasualColloquial, for something or someone coming along (「春がやって来る」) from the speaker's viewpoint; 「至る」 is written and tracks a situation's development.
• Synonym着くつくNeutralThe everyday word for arriving at a place (「駅に着く」); 「至る」 is more written and used for abstract development to a stage or conclusion.
• Synonymたどり着くたどりつくNeutralArriving somewhere at last after hardship (「やっとたどり着く」); it stresses the difficult process, which 「至る」 does not.
• Synonym行き着くいきつくNeutralEnding up somewhere or at something after a course of events (「結論に行き着く」); more colloquial than 「至る」.
• Synonym参着さんちゃくWrittenRare and formal, meaning arrival (or, in banking, payment on sight); not used in everyday speech.
• Synonym来着らいちゃくWrittenWritten language for arriving at one's own side; in daily speech 「到着」 is used instead.
• Synonym着するちゃくするWrittenRare written-style word for arrival, or for clinging to something; not used in daily language.
• Related到来とうらいNeutralThe coming of an occasion or era (「チャンス到来」), a written-flavoured noun; 「至る」 is a verb for reaching a stage or conclusion.
• Related訪れるおとずれるNeutralFor visiting a place, or for a season or situation arriving (「春が訪れる」), with a literary colour; 「至る」 leans abstract, though it can also mean reaching a place.
• Antonym去るさるNeutralTo leave or go away — the opposite of the arrival 「至る」 expresses.
• Antonym離れるはなれるNeutralTo leave or move apart; it stands opposite the arrival that 「至る」 describes.

Use 「至る」 for a situation developing to a stage or conclusion. For physical arrival pick 「着く」 or 「到着」; for hitting a target 「達する」; for spreading influence 「及ぶ」; for an arrival after effort 「たどり着く」. 「行き着く」 is its colloquial cousin for ending up; 「届く」 covers things being delivered.

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

1. （古ふるくは「戻もどる」とも）目的もくてき・場所ばしょに到達とうたつする。
2. ある時間じかん・地点ちてんになる。
3. 結果けっかがある段階だんかい・状態じょうたいになる。
4. 広ひろい範囲はんいに行いきわたる。
5. （「いたらない」などの形かたちで）細こまかなところまで行き届いきとどく。
6. 自分じぶんのところへ到来とうらいする。
7. （「にいたるまで」の形かたちで）（その範囲はんいにある最もっとも極端きょくたんなもの）におよぶまで。までも。
8. （「にいたっては」の形かたちで）（中なかでも特とくに極端きょくたんなもの）については。においては。
9. 極きわまる。