大雨|おおあめooame[3]nakadaka (mid-high)

1. nounheavy rain; torrential rainfall; downpour
   昨日きのうは大雨おおあめだった。↗

   We had a heavy rain yesterday.

• Synonym土砂降りどしゃぶりCasualColloquial word for a pouring downpour; 「大雨」 is the general term and also the one used in weather warnings.
• Synonym豪雨ごううWrittenWritten/formal term for rain falling hard and in large amounts, as in 「集中豪雨」; often refers to disastrous rain. 「大雨」 is the general word and also used in warnings.
• Antonym小雨こさめNeutralLight rain or drizzle; contrasts with 「大雨」 in the amount of rain that falls.
• Antonym晴天せいてんNeutralFine, clear weather; the opposite of 「大雨」, where rain comes down hard.

When it rains hard, use 「大雨」, as in 「大雨警報」; for a colloquial downpour use 「土砂降り」, and for disastrous torrential rain use 「豪雨」. The opposites are 「小雨」 and 「晴天」.

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

1. 豪雨ごうう。