黄金時代|おうごんじだいougonjidai

1. noungolden age

• Synonym全盛ぜんせいWrittenWritten/formal prose. The state of being at the height of power or vigour, often 「全盛を極める」; 「黄金時代」 is a glorious era, not that state.
• Synonym最盛期さいせいきNeutralNeutral. The period when momentum is strongest, also the best season for fruit and vegetables; 「黄金時代」 is mostly for glorious eras of history or an industry.
• Synonym真っ盛りまっさかりNeutralNeutral. Stresses being right at the height, as in 「夏真っ盛り」; mostly about seasons, with a fairly colloquial ring.
• Synonym盛時せいじWrittenWritten/formal prose. A flourishing time for a nation, an organization or one's life; in everyday speech 「全盛期」 is used.
• Synonym全盛期ぜんせいきNeutralNeutral. The peak period, often said of athletes or teams; 「黄金時代」 adds a sense of glory worth celebrating, so the two are not always interchangeable.
• Related花はなNeutralNeutral. Literally a flower; figuratively one's finest, most radiant moment, as in 「若いうちが花」.
• Related頂点ちょうてんNeutralNeutral. The highest point or summit, stressing the single point of reaching the top; 「黄金時代」 is a stretch of time.
• Related盛りさかりNeutralNeutral. The time something is at its height, as in 「夏の盛り」 or 「働き盛り」; mostly seasons or stages of life.
• Related絶頂ぜっちょうNeutralNeutral. The summit or peak state, as in 「人気の絶頂」; it can span some time, yet it stresses reaching the very top rather than naming an era like 「黄金時代」.
• Related花盛りはなざかりNeutralNeutral. Literally when flowers are in full bloom; figuratively something booming or at peak popularity; not usually the word for an era of history.
• Related最高潮さいこうちょうNeutralNeutral. The moment something reaches its peak, as 「祭りが最高潮に達する」 or 「人気が最高潮に達する」; stresses the climax, not an era.
• Related佳境かきょうWrittenWritten/formal prose. The most gripping part of a story or a situation, often 「佳境に入る」; not a historical period.
• RelatedピークNeutralNeutral loanword. A peak, often of crowds or figures; not limited to historical periods.
• RelatedたけなわWrittenWritten/formal prose. The height of a party or season, as in 「宴もたけなわ」; strongly literary.
• Antonym暗黒時代あんこくじだいNeutralNeutral antonym. A dark age of oppression and decline, the opposite of the glory of 「黄金時代」.
• Antonym衰退期すいたいきNeutralNeutral antonym. A period when things decline and worsen, the opposite of 「黄金時代」's prime.

Use 「黄金時代」 for a glorious era in history or an industry. For a person's or team's peak say 「全盛期」; for seasons 「盛り」 or 「真っ盛り」; for peaks in figures or crowds 「ピーク」. 「頂点」 and 「最高潮」 mark the top point, and 「絶頂」 a peak state that can last a while, but none names an era; 「暗黒時代」「衰退期」 are the antonyms for decline.

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

1. 古代こだいギリシャの詩人しじんが人類じんるいの歴史れきしを三みっつに分わけた第だい一いち期き。
2. ある歴史れきしで最もっとも盛さかんな時期じき。