切磋する · noun or participle which takes 'suru'
| Form | Positive | Negative |
|---|---|---|
| Dictionary | 切磋する | 切磋しない |
| Polite | 切磋します | 切磋しません |
| Past polite | 切磋しました | 切磋しませんでした |
| Past | 切磋した | 切磋しなかった |
| Te-form | 切磋して | 切磋しないで |
| Desire | 切磋したい | 切磋したくない |
| Potential | 切磋できる | 切磋できない |
| Passive | 切磋される | 切磋されない |
| Causative | 切磋させる | 切磋させない |
| Causative passive | 切磋させられる | 切磋させられない |
| Volitional | 切磋しよう | |
| Polite volitional | 切磋しましょう | |
| Imperative | 切磋しろ | 切磋するな |
| Conditional | 切磋すれば | 切磋しなければ |
| Tara conditional | 切磋したら | 切磋しなかったら |
noun, noun or participle which takes 'suru'
working hard; applying oneself; cultivating one's character
Almost exclusively used in the compound 切磋琢磨 (せっさたくま), meaning to work hard together and improve each other through friendly competition. The standalone form 切磋 is rare in modern Japanese.
See also: 切磋琢磨
I want to grow by working hard together with my friends.
切磋 is rarely used alone; it appears in the four-character idiom 切磋琢磨.
noun, noun or participle which takes 'suru'
polishing stones
Obsolete original meaning; refers to the literal polishing of stones or gems. Not used in modern Japanese outside of historical or etymological contexts.
In ancient times, 切磋 meant polishing stones.