一昨昨日さきおとといMeaningsNounAdverb1. two days before yesterday; three days back (ago)Other spellings一昨々日さきおとといUsage share unknownOther readings一いっ昨さく昨さく日じつ一昨昨日さきおとつい一いっ昨さく々さく日じつ一昨々日さきおとついKanji used一one昨previous日sunPitch accentさきおととい