ブームbuumu

1. noun, noun (suffix)boom; craze; fad
   小型車こがたしゃのブームは終おわろうとしている。↗

   The small car boom is ending.
2. noun, noun (suffix)(economic) boom
3. nounboom (of a boat)
4. noun(microphone) boom

• Synonym好況こうきょうWrittenWritten/formal economic term for the economy as a whole doing well; 「ブーム」 usually means a passing craze, or a sudden boom when used of the economy.
• Synonym好景気こうけいきNeutralGood times for the economy, as in 「好景気に沸く」; more colloquial than 「好況」. 「ブーム」 is mostly about a fad or craze.
• Relatedにわか景気にわかげいきNeutralA short-lived boom that arrives suddenly and soon fades, used only of the economy; closest to 「ブーム」 in its economic sense.
• Antonym不況ふきょうNeutralEconomic slump or depression, common in business news; the opposite of 「ブーム」 in terms of whether the economy is doing well or badly.
• Antonym衰退すいたいNeutralDecline or waning of momentum and vitality, said of industries, physical strength and more; the opposite of 「ブーム」 in terms of rise and fall.

Use 「ブーム」 for a passing craze like 「健康ブーム」, or for a sudden economic boom. For the economy doing well overall, say 「好景気」 or 「好況」. The opposites are 「不況」 for a slump and 「衰退」 for decline.

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

1. 急きゅうに景気けいきがよくなり価格かかくが急騰きゅうとうすること。
2. ある人物じんぶつや物事ものごとが一時的いちじてきに人気にんきがでたり盛さかんになったりすること。