121

adjective

One-to-one.

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Meanings

adjective121 (not comparable)

alternative 1-2-1

  1. informalnot comparableOne-to-one.

Synonyms & antonyms

Also see
one-to-one

Origin

From one-to-one, with to replaced by the homophone two, with the words then replaced by numbers.

Full word history & related roots →
Cite this entry
APA

121. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/121

MLA

“121.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/121. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “121,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/121.

Source: 121 on Wiktionary, CC BY-SA 4.0.