last frontier

noun

Synonym of outer space.

Similar
outer space
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Meanings

last frontier1

nounlast frontier (uncountable)
  1. informaluncountableSynonym of outer space.

    Synonyms: outer space

Last Frontier2

proper nounthe Last Frontier
  1. Official nickname for Alaska: a state of the United States.

Synonyms & antonyms

nounSynonym of outer space.

Similar
outer space
Also see
final frontierouter space
Cite this entry
APA

last frontier. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/last%20frontier

MLA

“last frontier.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/last%20frontier. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “last frontier,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/last%20frontier.

Source: last frontier on Wiktionary, CC BY-SA 4.0.