ないと

expression

have to; must

Colloquial abbreviation of ないといけない. Used at the end of a sentence after the negative stem of a verb or adjective to express obligation or necessity.

See also: ないといけない

• もう行いかないと。

  I have to go now.

• 宿しゅく題だいをやらないと。

  I must do my homework.

expression

is indispensable; is absolutely necessary

Colloquial abbreviation of ないといけない. Used at the end of a sentence after the negative stem of a verb or adjective to express that something is indispensable or absolutely necessary.

See also: ないといけない

• この資し料りょうがないと。

  This document is absolutely necessary.

• 君きみの助たすけがないと。

  Your help is indispensable.