早々・早早|はやばやhayabaya[3]nakadaka (mid-high)

1. adverb (with と)early; quickly; promptly
   彼かれは戦争せんそうが早々はやばやと終おわるとあてこんでいた。↗

   He gambled on the war coming to an early end.

• Synonym早速さっそくNeutralAn adverb for getting straight to something at once, as in 「早速始める」; 「早々」 stresses doing something early, ahead of time.
• Synonym早くはやくCasualColloquial and everyday: simply 'early' or 'fast'. 「早々」 stresses doing something early, getting ahead.
• SynonymさっさとCasualColloquial: briskly, getting things done smartly without dithering. 「早々」 stresses doing something early.
• Synonymいち早くいちはやくNeutralMeans first, before anyone else, as in 「いち早く察知」. 「早々」 stresses doing something early.
• Synonym直ちにただちにFormalFormal, often in official documents: immediately, without delay. 「早々」 stresses doing something early.
• SynonymすぐCasualColloquial: right away, or very near in distance. 「早々」 stresses doing something early.
• Synonym早うはようCasualKansai dialect, colloquial: 'early' or 'quick'. 「早々」 is more written in tone.
• Synonym疾くとくWrittenWritten, archaic: swiftly, or 'long ago, already'. 「早々」 is more everyday.
• Synonym早めにはやめにNeutralMeans a little early, ahead of the usual time. 「早々」 stresses doing something early and in a hurry.
• RelatedさっとCasualColloquial: quick movements, or wind and rain arriving suddenly. 「早々」 stresses earliness in time.
• Related直にじきにCasualColloquial: before long, soon. 「早々」 stresses doing something early.
• Related迅速じんそくWrittenWritten: swift and prompt, as in 「迅速な対応」. 「早々」 stresses doing something early, getting an early start.
• RelatedどんどんCasualColloquial: one thing after another, without hesitation. 「早々」 stresses doing something early.
• RelatedすぐにNeutralMeans at once, immediately. 「早々」 stresses doing something early, getting an early start.
• Related急遽きゅうきょWrittenWritten: hastily, at short notice, as in 「急遽中止」. 「早々」 is neutral.
• RelatedたちまちWrittenWritten: in the blink of an eye, all at once. 「早々」 stresses doing something early.
• Related至急しきゅうWrittenWritten: urgent, as fast as possible, as in 「至急連絡」. 「早々」 is about being early.
• RelatedとっととCasualColloquial and rough, telling someone to hurry off, as in 「とっとと帰れ」. 「早々」 is neutral.
• Related直様じきさまWrittenWritten: at once, on the spot. 「早々」 stresses doing something early.
• Related一も二もなくいちもにもなくWrittenWritten: without further ado, at once. 「早々」 is about timing, being early.
• Related疾く疾くとくとくWrittenWritten word for moving swiftly; not used in everyday speech.
• RelatedつとWrittenWritten: suddenly, or motionless and still. 「早々」 is about being early in time.
• Antonym遅々ちちWrittenWritten: slow, lagging progress — the opposite of the swiftness of 「早々」.

Use 「早々（はやばや）」 for doing something early or in a hurry, as in 「早々と帰る」. In 「入社早々」 it is read 「そうそう」 and means 'right after…'. To say you get started on something right away, use 「早速」. The opposite of 「早々」 is 「遅々」.

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

1. そのようになってすぐの時期じき。「（体言たいげん）+早早（に）そうそう」「（動詞どうし連用形れんようけい）て+早早（に）そうそう」の形かたちで用もちいられることが多おおい。
2. はやばや。急いそいでやるさま。