-tious

suffix

Adjective suffix denoting "full of, prone to."

OriginLatin ‑tiōsus →
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Meanings

suffix
  1. Adjective suffix denoting "full of, prone to."

Origin

  1. Latin‑tiōsus
  2. English-tious

Rebracketed from words like fractious and presumptious, with the t from the base + -ious, ultimately from Latin ‑tiōsus, which is rebracketed from -t(us) + -i- + -ōsus.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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