First opened Monday, November 12, 2012
恋する
こいする
Pitch accent: We don't have the data for this section. No accent list gives this spelling and reading, or the two we check against disagree.
to fall in love with, to love
Koisuru is 恋 (koi, “love”) plus する (-suru, “to do”).
Taken apart
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Written with 恋
In a sentence
恋する相手を捜しています。
I'm looking for someone to fall in love with.
ピーターはその子を恋するようになった。
Peter fell in love with the girl.
Sentences are from Tatoeba (CC BY 2.0 FR), picked by fixed rules from a dated export and shown unchanged. Nobody has reviewed them one by one.
What Wiktionary says
Quoted line by line from Wiktionary's Etymology section for this reading, taken from one dated dump so it can't change underneath us. Nothing below is paraphrased.
- “恋(こい) (koi, “love”) + する (-suru, “to do”)”
Source: Wiktionary: 恋する (dump of 2026-09-02), available under CC BY-SA 4.0. Reading, meaning and part of speech from JMdict, and kanji readings from KANJIDIC2 (EDRDG).
What the labels mean
- 和語 Native Japanese
- Words that were already Japanese before Chinese vocabulary arrived — usually written with kun'yomi and often short.
- Compound
- Two or more words or stems joined into one.