隼（はやぶさ、hayabusa）
- falcon

The Japanese word 隼 （はやぶさ） primarily refers to a falcon, specifically the peregrine falcon. It can also be used as a name, especially for things that are fast or swift, drawing a connection to the bird's incredible speed.

⚫︎あの隼は時速300キロで飛ぶ。 Translation: That falcon flies at 300 kilometers per hour. ⚫︎新幹線の隼号に乗りました。 Translation: I rode the Hayabusa Shinkansen (bullet train).

⚫︎You would use 隼 when talking about falcons or something that shares similar characteristics, such as speed. ⚫︎It's common to see 隼 used as a proper noun for the Shinkansen, a train known for its speed. ⚫︎When referring to the bird, context will usually make it clear.

⚫︎The word 隼 is primarily written using the kanji 隼. ⚫︎The reading is はやぶさ in hiragana. ⚫︎There aren't common variations in the okurigana (the suffix hiragana).

⚫︎There is no perfect synonym for 隼 in the sense of the peregrine falcon, but other words might describe similar qualities. ⚫︎For speed or swiftness, you could use words like: ⚫︎速い（はやい - fast) ⚫︎素早い（すばやい - quick, agile)

⚫︎Antonyms aren't directly applicable as 隼 is a noun. ⚫︎However, antonyms would relate to slowness. ⚫︎遅い（おそい - slow) ⚫︎のろい（のろい - slow, sluggish)

隼は、空中で獲物を捕獲する能力に優れている。 ・Translation: The falcon excels at catching prey in the air. ・Explanation: This sentence describes the hunting prowess of the falcon.

その新しい隼は、最新の技術を駆使して作られた。 ・Translation: That new [Hayabusa] was made using the latest technology. ・Explanation: This sentence could refer to something named "[Hayabusa]", possibly embodying speed or efficiency.

The kanji 隼 is a phonetic compound. The left side, 隹 is the bird radical. The right side （しゅん） is used for its sound. It is a pictograph representing a bird. It is believed to represent the bird's swiftness.