意気投合|いきとうごうikitougou[1]atamadaka (head-high)
This browser can't play pronunciations (needs Safari 18.4 or later, or Chrome / Edge / Firefox).
- noun, suru verb, intransitive verbhit it off with (a person); find a kindred spirit in (a person); sympathy; mutual understanding
Conjugation
| Dictionary form | 意気投合する(いきとうごうする) |
|---|---|
| Polite (masu) | 意気投合します(いきとうごうします) |
| Negative (nai) | 意気投合しない(いきとうごうしない) |
| polite (masen) | 意気投合しません(いきとうごうしません) |
| classical zu / nu | 意気投合せず・意気投合せぬ(いきとうごうせず・いきとうごうせぬ) |
| Past (ta) | 意気投合した(いきとうごうした) |
| polite (mashita) | 意気投合しました(いきとうごうしました) |
| Past negative (nakatta) | 意気投合しなかった(いきとうごうしなかった) |
| polite (masen deshita) | 意気投合しませんでした(いきとうごうしませんでした) |
| Te form | 意気投合して(いきとうごうして) |
| Potential | 意気投合できる(いきとうごうできる) |
| Passive | 意気投合される(いきとうごうされる) |
| Causative | 意気投合させる(いきとうごうさせる) |
| Causative passive | 意気投合させられる(いきとうごうさせられる) |
| Conditional (ba) | 意気投合すれば(いきとうごうすれば) |
| tara | 意気投合したら(いきとうごうしたら) |
| Volitional | 意気投合しよう(いきとうごうしよう) |
| polite (mashou) | 意気投合しましょう(いきとうごうしましょう) |
| Imperative | 意気投合しろ(いきとうごうしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Related共感きょうかんNeutralEmpathizing with and agreeing with someone's feelings or opinions; 「意気投合」 is two people clicking and growing close at once.
- Related共鳴きょうめいNeutralResonating with someone's ideas; also the physical phenomenon of resonance. 「意気投合」 stresses two people clicking and becoming close.
- Related以心伝心いしんでんしんNeutralMind-to-mind understanding without words; 「意気投合」 is about chatting easily and hitting it off.
- Related同調どうちょうNeutralEchoing others and falling in step with them, sometimes with a bandwagon nuance; 「意気投合」 is genuine mutual affinity.
- Related同感どうかんNeutralHaving the same opinion, as in the set phrase 「同感です」; 「意気投合」 is two kindred spirits growing close.
- RelatedシンパシーNeutralA loanword for sympathy or empathy, usually one-sided; 「意気投合」 is mutual rapport between two people.
- Antonym反目はんもくWrittenMutual hostility and discord between parties; a written/formal word, the opposite of 「意気投合」.
- Antonym不和ふわNeutralA poor relationship, discord between people; the opposite of 「意気投合」.
- Antonym確執かくしつWrittenLong-standing discord from both sides refusing to budge on their positions; a written/formal word, the opposite of 「意気投合」.
Use 「意気投合」 when two people hit it off and grow close. To agree with someone, say 「共感」 or 「同感」; 「以心伝心」 is wordless understanding; 「同調」 is conforming. For discord, use 「不和」 or 「反目」, and 「確執」 for a long-standing feud.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


