understatement

Noun

rhetoric uncountable usually countable

(uncountable, rhetoric) A figure of speech whereby something is made to seem smaller or less important than it actually is, either through phrasing or lack of emphasis, often for ironic effect.

Japanese Meaning

実際の状況よりも控えめに、または取るに足らないことに見せかける修辞技法。 / （風刺的な効果を狙い）重要性や量を意図的に過小評価して表現する方法。

What is this buttons?

Google Translation / DeepL Translation

山を「ちょっとした丘だ」と呼ぶのは、控えめな修辞表現の典型で、ガイドの皮肉に皆が笑った。

Details

Sense（1）

(uncountable, rhetoric) A figure of speech whereby something is made to seem smaller or less important than it actually is, either through phrasing or lack of emphasis, often for ironic effect.