one shot; one round; one explosion
Counts a single discharge of a firearm, a single explosion, or a single charge of ammunition.
He hit a go-ahead home run.
The criminal fired only one shot.
The bomb destroyed the building with one explosion.
one blow; one punch; one hit
Refers to a single strike, punch, or hit, often in fighting or sports.
He knocked down his opponent with one punch.
Baseball term for a home run; often used in the phrase 一発を放つ.
The cleanup hitter hit a home run and decided the game.
one try; one attempt; single shot
Used for doing something in a single attempt, often with the nuance of giving it one shot or trying once. Can be used adverbially as 一発で.
I passed the exam on my first try.
We can solve this problem in one go.
ippatsu (mahjong)
Mahjong term: winning on the first go-around after declaring rīchi. A specific yaku.
See also: リーチ
I won with an ippatsu after declaring rīchi.
ippatsu (karuta)
Abbreviation of 送り一発; in competitive karuta, taking a card immediately after sending it. Rare outside the game context.
See also: 送り一発
Okuri-ippatsu is an advanced technique in competitive karuta.
He passed the exam on his first try.
He landed a punch on his opponent.
He struck it rich with one big business success.
一撃 is a more literary or dramatic word for a single blow, while 一発 is the everyday, colloquial term used for punches, shots, or hits.
ホームラン is the standard baseball term for a home run, while 一発 is a punchier, more colloquial way to refer to the same hit.
単発 describes the property of firing only one round per pull, while 一発 refers to a single shot itself, as in 一発当てる.
一発 is a casual, general word for one shot or hit (also slang for a home run), whereas 一打 is a more neutral, sport-specific term for a single stroke.
一発 is casual baseball slang for a home run (as in 一発出た), whereas 本塁打 is the neutral, formal term.
one-hit wonder; flash in the pan · all-or-nothing gambler; one-shot speculator · slugger; home-run batter
one-liner; gag; quick trick
short joke; quick one-liner
one-shot contest; make-or-break game; single-round match
first and final offer in labor-management negotiations
one-shot conversion; single-step kana-to-kanji conversion
rogue wave; freak wave
success on the first try; hitting the target with one shot
Standard kanji spelling; high-frequency news word.
Numerical variant; common in informal writing.
Compound of 一 (one) and 発 (counter for shots, explosions, etc.). The reading いっぱつ is a regular sound change from いちはつ.
break wind; let off a fart; have a shot
dramatic reversal with one blow; turning the tables in one move