ないと

have to (do, be)

Meanings

  1. expression, abbreviation, colloquial, at sentence end; after the -nai stem of a verb or adjective have to (do, be); must (do, be)
  2. abbreviation, colloquial, at sentence end; after the -nai stem of a verb or adjective is indispensable; is absolutely necessary

In sentences

ないと思おもうけど。 I don't think so. #199355

君きみがいないと心細こころぼそい。 When you are away, I feel lost. #1337711

私わたしには影響えいきょうないと思おもう。 I don't think it'll affect me. #9842044

雨あめはやまないと思おもうよ。 I don't think it'll stop raining. #10098048

そんなことないと思おもうよ。 I don't think so. #2232991

明日あした雨降あめふらしらないといいな。 I hope it does not rain tomorrow. #4720212

トムは家いえにいないと思おもう。 I think Tom isn't home. #8075158

そでないという証拠しょうこはない。 We have no proof to the contrary. #213466