過か去こ最さい高こう

noun which may take the genitive case particle 'no', noun

highest ever; record-high; all-time high

Used for statistics, achievements, or levels that are the highest in recorded history or within a given period. Often appears in news and business contexts.

Antonyms: 過去最低

• 今年ことしの夏なつの気き温おんは過か去こ最さい高こうを記き録ろくした。

  This summer's temperature hit a record high.