激変・劇変|げきへんgekihen[0]heiban (flat)

Common
Which spelling to use
激変激変 is the most common and most standard choice, and is the form learners are most likely to encounter in writing.
劇変劇変 is rarely used and less common than 激変. It is a kanji-only variant, but it is not the recommended choice for learners.
Definitions
  1. noun, suru verb, intransitive verbsudden change; upheaval
Conjugation
Dictionary form激変する(げきへんする)
Polite (masu)激変します(げきへんします)
Negative (nai)激変しない(げきへんしない)
polite (masen)激変しません(げきへんしません)
classical zu / nu激変せず・激変せぬ(げきへんせず・げきへんせぬ)
Past (ta)激変した(げきへんした)
polite (mashita)激変しました(げきへんしました)
Past negative (nakatta)激変しなかった(げきへんしなかった)
polite (masen deshita)激変しませんでした(げきへんしませんでした)
Te form激変して(げきへんして)
Potential激変できる(げきへんできる)
Passive激変される(げきへんされる)
Causative激変させる(げきへんさせる)
Causative passive激変させられる(げきへんさせられる)
Conditional (ba)激変すれば(げきへんすれば)
tara激変したら(げきへんしたら)
Volitional激変しよう(げきへんしよう)
polite (mashou)激変しましょう(げきへんしましょう)
Imperative激変しろ(げきへんしろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym激動げきどうWrittenWritten/formal prose: violent turbulence of the times or situation, as in 「激動の時代」; 「激変」 is the abrupt change itself, stressing its magnitude.
  • Related波乱はらんWrittenWritten/formal prose: ups and downs or twists of fortune, as in 「波乱万丈」; 「激変」 stresses a situation changing abruptly.
  • Related怒涛どとうWrittenWritten/formal prose: surging waves, figuratively overwhelming momentum, as in 「怒涛の攻撃」; 「激変」 is about a situation changing abruptly.
  • Related動乱どうらんWrittenWritten/formal prose: social disorder erupting into riots or war; 「激変」 is an abrupt change in a situation, not necessarily chaos.
  • Related大荒れおおあれCasualColloquial: a raging storm or a scene in utter chaos, as in 「大荒れの天気」; 「激変」 is about a situation changing abruptly.
  • Related大乱たいらんWrittenWritten/formal prose: the land thrown into great disorder by war or rebellion; 「激変」 is an abrupt change in a situation.
  • Antonym不変ふへんWrittenWritten/formal prose: eternal and unchanging; opposed to 「激変」 on the axis of change versus no change.
  • Antonym安定あんていNeutralNeutral: stable, with no major change; opposed to 「激変」 on the axis of stability versus abrupt change.

Use 「激変」 for a situation changing abruptly, as in 「環境の激変」「激変緩和措置」. For turbulent times pick 「激動」, for ups and downs 「波乱」, for social unrest or war 「動乱」. The opposites are 「不変」 and 「安定」.

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

Japanese definitions
  1. 状況じょうきょうなどが急激きゅうげきに変化へんかすること。
Kanji in this word
See also

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