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くだらない (くだらない) — trivial, trifling, insignificant

くだらない trivial
Frequency #8613 Grade 5 5 characters i-adjective

kudaranai

くだらない
Post

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Meanings

  • trivial
  • trifling
  • insignificant

Adjective forms

Non-past covers present and future. Expand a form to see its plain, polite, affirmative and negative versions, where available. Some forms have multiple variants.

Na-adjectives use forms of だ. Conjectural and imperative forms can be formal or literary; everyday usage depends on context.

Compare conjugations
Non-past (present / future)

Plain · Affirmative

くだらない

kudaranai

Plain · Negative

くだらなくない

kudaranakunai

Polite · Affirmative

くだらないです

kudaranaidesu

Polite · Negative

くだらなくないです

kudaranakunaidesu

Alternative variant

くだらなくありません

kudaranakuarimasen

Past

Plain · Affirmative

くだらなかった

kudaranakatta

Plain · Negative

くだらなくなかった

kudaranakunakatta

Polite · Affirmative

くだらなかったです

kudaranakattadesu

Polite · Negative

くだらなくなかったです

kudaranakunakattadesu

Alternative variant

くだらなくありませんでした

kudaranakuarimasendeshita

Te-form (connecting)

Plain · Affirmative

くだらなくて

kudaranakute

Plain · Negative

くだらなくなくて

kudaranakunakute

Provisional (〜ば)

Plain · Affirmative

くだらなければ

kudaranakereba

Plain · Negative

くだらなくなければ

kudaranakunakereba

Causative (make / cause to be)

Plain · Affirmative

くだらなくさせる

kudaranakusaseru

Conjectural (probably)

Plain · Affirmative

くだらなかろう

kudaranakarou

Polite · Affirmative

くだらないでしょう

kudaranaideshou

Conditional (〜たら)

Plain · Affirmative

くだらなかったら

kudaranakattara

Plain · Negative

くだらなくなかったら

kudaranakunakattara

Alternative (〜たり)

Plain · Affirmative

くだらなかったり

kudaranakattari

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