慢心（まんしん）
JLPT N2 · noun
Pitch accent: heiban (flat) — starts low, then stays high with no drop
Meaning: overconfidence/complacency
Example sentences
- 慢心すると失敗を招く。 — Complacency invites failure.
- 成功しても慢心しない。 — Even after success, don't grow complacent.
Related words
See it used in real works
- Example sentences from Japanese novels & web fiction (Massif)
- Hear “慢心” pronounced in real videos (YouGlish)