(Translated by https://www.hiragana.jp/)
impulse purchase - Wiktionary, the free dictionary

English

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Noun

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impulse purchase (plural impulse purchases)

  1. Something bought spontaneously, without planning or thought.

Synonyms

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Translations

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Verb

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impulse purchase (third-person singular simple present impulse purchases, present participle impulse purchasing, simple past and past participle impulse purchased)

  1. To buy without thinking or planning.