Japanese reference
なくす
to lose; misplace something
Regular · 32 form tables
Rows describe verb forms and levels of politeness. Honorific and humble forms are labeled separately. Strong commands appear under additional forms.
Audio requires a compatible voice in your browser.
Basic
Non past
| Person, form or usage | Form and meaning |
|---|---|
| Dictionary form | なくす (nakusu)lose |
| Polite, masu | なくします (nakushimasu)lose |
Negative
| Person, form or usage | Form and meaning |
|---|---|
| Negative, nai | なくさない (nakusanai)do not lose |
| Polite negative | なくしません (nakushimasen)do not lose |
Past
| Person, form or usage | Form and meaning |
|---|---|
| Past, ta | なくした (nakushita)lost |
| Polite past | なくしました (nakushimashita)lost |
Past negative
| Person, form or usage | Form and meaning |
|---|---|
| Past negative | なくさなかった (nakusanakatta)did not lose |
| Polite past negative | なくしませんでした (nakushimasendeshita)did not lose |
Linking
Te form
| Person, form or usage | Form and meaning |
|---|---|
| Te-form | なくして (nakushite)losing (and then) |
| Polite te-form | なくしまして (nakushimashite)losing (and then) |
Te iru
| Person, form or usage | Form and meaning |
|---|---|
| Te-iru: ongoing action / resulting state | なくしている (nakushiteiru)be losing |
| Polite te-iru | なくしています (nakushiteimasu)be losing |
Conditional, ba
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, ba | なくせば (nakuseba)if you lose |
| Rare literary polite conditional | なくしますれば (nakushimasureba)if you lose (rare and literary). In ordinary polite conversation, use the plain conditional and make the main clause polite |
Conditional, tara
| Person, form or usage | Form and meaning |
|---|---|
| Conditional, tara | なくしたら (nakushitara)if you lose |
| Polite conditional, tara | なくしましたら (nakushimashitara)if you lose |
Mood
Potential
| Person, form or usage | Form and meaning |
|---|---|
| Potential | なくせる (nakuseru)can lose |
| Polite potential | なくせます (nakusemasu)can lose |
Volitional
| Person, form or usage | Form and meaning |
|---|---|
| Volitional | なくそう (nakusou)let's lose! |
| Polite volitional | なくしましょう (nakushimashou)let's lose! |
Desire, tai
| Person, form or usage | Form and meaning |
|---|---|
| Desire, tai | なくしたい (nakushitai)want to lose |
| Polite desire, tai | なくしたいです (nakushitaidesu)want to lose |
Voice
Passive
| Person, form or usage | Form and meaning |
|---|---|
| Passive | なくされる (nakusareru)be lost |
| Polite passive | なくされます (nakusaremasu)be lost |
Causative
| Person, form or usage | Form and meaning |
|---|---|
| Causative | なくさせる (nakusaseru)make or let someone lose |
| Polite causative | なくさせます (nakusasemasu)make or let someone lose |
Causative passive
| Person, form or usage | Form and meaning |
|---|---|
| Causative-passive | なくさせられる (nakusaserareru)be made to lose |
| Polite causative-passive | なくさせられます (nakusaseraremasu)be made to lose |
Commands
Negative imperative
| Person, form or usage | Form and meaning |
|---|---|
| Negative imperative | なくすな (nakusuna)do not lose! |
| Polite negative request | なくさないでください (nakusanaidekudasai)please do not lose |
Polite
Polite non past
| Person, form or usage | Form and meaning |
|---|---|
| Polite non-past form | なくします (nakushimasu)lose |
Polite negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite negative form | なくしません (nakushimasen)do not lose |
Polite past
| Person, form or usage | Form and meaning |
|---|---|
| Polite past form | なくしました (nakushimashita)lost |
Polite past negative
| Person, form or usage | Form and meaning |
|---|---|
| Polite past negative form | なくしませんでした (nakushimasendeshita)did not lose |
Requests
Request with kudasai
| Person, form or usage | Form and meaning |
|---|---|
| Request with kudasai | なくしてください (nakushitekudasai)please lose |
Negative request
| Person, form or usage | Form and meaning |
|---|---|
| Request not to act | なくさないでください (nakusanaidekudasai)please do not lose |
Invitation with mashou
| Person, form or usage | Form and meaning |
|---|---|
| Invitation with mashou | なくしましょう (nakushimashou)let's lose! |
Permission
| Person, form or usage | Form and meaning |
|---|---|
| Permission | なくしてもいい (nakushitemoii)may lose |
| Polite permission | なくしてもいいです (nakushitemoiidesu)may lose |
Not allowed
| Person, form or usage | Form and meaning |
|---|---|
| Not allowed | なくしてはいけない (nakushitehaikenai)must not lose |
| Polite prohibition | なくしてはいけません (nakushitehaikemasen)must not lose |
Instruction with nasai
| Person, form or usage | Form and meaning |
|---|---|
| Instruction with nasai | なくしなさい (nakushinasai)lose (instruction) |
Aspect
Try doing
| Person, form or usage | Form and meaning |
|---|---|
| Try doing | なくしてみる (nakushitemiru)try to lose |
| Polite try doing | なくしてみます (nakushitemimasu)try to lose |
Completion or regret
| Person, form or usage | Form and meaning |
|---|---|
| Completion or regret | なくしてしまう (nakushiteshimau)lose completely or regrettably |
| Polite completion or regret | なくしてしまいます (nakushiteshimaimasu)lose completely or regrettably |
Preparation
| Person, form or usage | Form and meaning |
|---|---|
| Preparation | なくしておく (nakushiteoku)lose in advance |
| Polite preparation | なくしておきます (nakushiteokimasu)lose in advance |
Past experience
| Person, form or usage | Form and meaning |
|---|---|
| Past experience | なくしたことがある (nakushitakotogaaru)have the experience of: lost |
| Polite past experience | なくしたことがあります (nakushitakotogaarimasu)have the experience of: lost |
Conditions
Automatic result, to
| Person, form or usage | Form and meaning |
|---|---|
| Automatic result, to | なくすと (nakusuto)whenever you lose |
| Polite automatic result | なくしますと (nakushimasuto)whenever you lose |
Given that, nara
| Person, form or usage | Form and meaning |
|---|---|
| Given that, nara | なくすなら (nakusunara)if you mean to lose |
Probability
| Person, form or usage | Form and meaning |
|---|---|
| Probability | なくすだろう (nakusudarou)probably lose |
| Polite probability | なくすでしょう (nakusudeshou)probably lose |
Additional forms
Strong command
| Person, form or usage | Form and meaning |
|---|---|
| Imperative | なくせ (nakuse)lose! |
| Polite request | なくしてください (nakushitekudasai)please lose |
Forms from the Loquus reference. Only supplied forms are shown. Browse all Japanese entries.