final frontier

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

final frontier

/ˈfaɪnəl fɹʌnˈtɪə(ɹ)/

Where it comes from

From the introductory voice-over of Star Trek: The Original Series: "Space, the final frontier..."

noun

informal, uncountable Synonym of outer space. Back to The Final Frontier
Similar: high frontier, last frontier, outer space

Talk about this word

Cite this

MLA

"final frontier." Wiktionary, via Micwyn, micwyn.com/word/final%20frontier. Accessed 6 Nov. 2026.

APA

final frontier. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/final%20frontier

Chicago

"final frontier." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/final%20frontier.

BibTeX

@misc{final_frontier_2026,
  title = {final frontier},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/final%20frontier},
  urldate = {2026-11-06}
}