発する|はっするhassuru[0]heiban (flat)

1. suru verb (irregular), transitive verbto let out; to utter; to produce; to emit; to give forth; to discharge
   そのバラは甘あまい匂においを発はっする。↗

   The rose gives off a sweet odor.
2. suru verb (irregular), transitive verbto issue; to send; to give
3. suru verb (irregular), intransitive verbto leave; to depart
4. suru verb (irregular), intransitive verbto occur; to appear
5. suru verb (irregular), transitive verbto shoot (an arrow or bullet); to fire

• Synonym放つはなつNeutralNeutral. Means to release, fire, or give off radiance, as in 「光を放つ」「矢を放つ」; 「発する」 leans toward sounds and orders, or marking an origin.
• Synonym漏らすもらすNeutralNeutral. Means to leak or let slip, sometimes deliberately, as in 「秘密を漏らす」; 「発する」 covers emitting sounds, light, heat, and orders.
• Synonym吐くはくNeutralNeutral. Literally to spit or vomit out, but also to voice, as in 「弱音を吐く」; 「発する」 is more formal and never used for vomiting.
• Synonym放出ほうしゅつWrittenWritten/formal prose noun for discharging or releasing energy, substances, etc., as in 「エネルギー放出」; 「発する」 is broader, covering sounds and orders too.
• Synonym噴くふくNeutralNeutral. For liquid or gas spewing out forcefully, as in 「火を噴く」; 「発する」 centers on giving off sound, light, heat, or smells.
• Related言ういうNeutralNeutral. The most basic, everyday word for saying; 「発する」 is more dignified, as in 「声を発する」「警告を発する」.
• RelatedおっしゃるFormalFormal honorific for speech by a superior — the listener or a third party — as in 「先生がそう仰った」; 「発する」 carries no honorific sense.
• Related述べるのべるWrittenWritten/formal prose: to state opinions or facts in an organized way; 「発する」 leans toward emitting sounds, warnings, and orders.
• Related飛ばすとばすNeutralNeutral. Means to send flying or throw out, and also to skip or omit; it overlaps with 「発する」 only in the sense of sending something outward.
• Related申し上げるもうしあげるFormalFormal humble language for saying something to someone you respect, as in 「お礼を申し上げる」; 「発する」 carries no deference.
• RelatedこくCasualColloquial and crude: to fart or talk nonsense, as in 「屁をこく」; it overlaps with 「発する」 only in sending something outward and the two are not interchangeable.
• Relatedぶっ放すぶっぱなすCasualColloquial, with a rough edge: to fire a gun or cannon suddenly; 「発する」 is broader and not limited to shooting.
• Related申し述べるもうしのべるFormalFormal humble language for stating something to someone you respect, such as a boss or client; 「発する」 shows no deference and is not limited to speech.
• Antonym留めるとどめるNeutralNeutral antonym: to stop or hold back, as in 「息を止める」 — the opposite of 「発する」 sending out sound, light, or heat.

Use 「発する」 for emitting sounds, issuing orders or warnings, or marking an origin, as in 「警告を発する」「〜に端を発する」. For releasing or firing things out, use 「放つ」 or 「放出」; for letting something slip, 「漏らす」; for everyday speech, 「言う」.

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

1. 出発しゅっぱつする。
2. 音声おんせいや光ひかり、熱ねつ、においなどがあらわれでる。はなつ。
3. 原因げんいんとする。起源きげんとする。
4. （「～に発はっする」や「～から発はっする」で）～を原因げんいんとする。～を起源きげんとする。
5. 命令めいれいや通知つうちを広ひろく伝つたえる。
6. 言葉ことばや考かんがえを声こえに出だして述のべる。
7. ある位置いちを始点してんとして、遠方えんぽうへ短時間たんじかんに移動いどうさせる。発射はっしゃする。