一昨年(いっさくねん)

いっさくねん
noun
the year before last
1. the year before last
The year two years ago from the present. More formal than the colloquial おととし.
一昨年(いっさくねん)の夏(なつ)に引(ひ)っ越(こ)した。
I moved the summer before last.
一昨年(いっさくねん)から日本語(にほんご)を勉強(べんきょう)している。
I've been studying Japanese since the year before last.
一昨年(いっさくねん)の売上(うりあげ)と比(くら)べると、今年(ことし)は大幅(おおはば)に増(ふ)えた。
Compared to sales from the year before last, this year's have increased significantly.

USAGE:
一昨年(いっさくねん) is the formal reading used in writing and formal speech. The colloquial equivalent is おととし, which is more common in everyday conversation. Both mean the same thing.

RELATED TIME WORDS:

  • おととし / 一昨年(いっさくねん) (year before last)
  • 去年(きょねん) / 昨年(さくねん) (last year)
  • 今年(ことし) (this year)
  • 来年(らいねん) (next year)
  • 再来年(さらいねん) (year after next)
  • 一昨日(いっさくじつ) / おととい (day before yesterday)
general
Added 2026.3.7 17:55
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