| Level 3 vocabulary |
| 思い出す | (v5s) to recall/ to remember/ (P) |  |
| 思う | (v5u) to think/ to feel/ (P) |  |
| Level 2 vocabulary |
| 思い掛けない | (adj) unexpected/ casual |  |
| 思い切り | (adv,n) with all one's strength (heart)/ resignation/ resolution/ (P) |  |
| 思い込む | (v5m) to be under impression that/ to be convinced that/ to imagine that/ to set one's heart on/ to be b |  |
| 思い付く | (v5k) to think of/ to hit upon/ to come into one's mind/ to be struck with an idea/ (P) |  |
| 思い出 | (n) memories/ recollections/ reminiscence/ (P) |  |
| 思わず | (adv) unintentional/ spontaneous/ (P) |  |
| 思想 | (n) thought/ idea/ ideology/ (P) |  |
| 不思議 | (adj-na,n) wonder/ miracle/ strange/ mystery/ marvel/ curiosity/ (P) |  |
| Level 1 vocabulary |
| 片思い | (n) unrequited love/ (P) |  |
| 思考 | (n) thought/ (P) |  |