Meanings
proper noun
- informalThe island of Little Diomede.
Origin
In reference to the International Date Line.
Full word history & related roots →Cite this entry
APA
Yesterday Island. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Yesterday%20Island
MLA
“Yesterday Island.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Yesterday%20Island. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Yesterday Island,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Yesterday%20Island.
Source: Yesterday Island on Wiktionary, CC BY-SA 4.0.