Definition of 一昨昨日 (いっさくさくじつ)

adverbial noun, noun (temporal)
two days before yesterday, three days back (ago)
Other readings:
一昨昨日【さきおとつい】
一昨昨日【さきおととい】
一昨々日【いっさくさくじつ】
一昨々日【さきおとつい】
一昨々日【さきおととい】
Related Kanji
one, one radical (no.1)
yesterday, previous
day, sun, Japan, counter for days