back-

prefix

Back in its adverbial senses.

“backfriend”

OriginMiddle English bak- →
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Meanings

prefix
  1. Back in its adverbial senses.
  2. Situated, located, or toward the rear; backward or in reverse; in return; again.
  3. UKobsoleteFalse; pseudo-.

    backfriend

Origin

  1. Middle Englishbak-
  2. Englishback-

From Middle English bak-, bac-, apheretic form of abak, aback (“aback”, adverb). See also aback.

More words from Middle English

Full word history & related roots →
Cite this entry
APA

back-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/back-

MLA

“back-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/back-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “back-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/back-.

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