-ious

A form of -ous — possession of

OriginLatin -ōsus →
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

suffix
  1. alternativeAlternative form of -ous.

Origin

  1. Latin-ius
  2. Latin-us
  3. Latin-ōsus
  4. Latin-ius
  5. Latin-us
  6. Latin-ōsus
  7. English-ious

Taken from Latin adjectives ending in -(i)ōsus (ambitious), -(i)us (obvious) and -ius (nefarious), as well as their Romance descendants. By surface analysis, -i- + -ous.

More words from Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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