-ial

-i·al
Australia, New Zealand, UK/-iː.əl/Canada, US, Scotland/-i.əl/India/-iː.al/

suffix

Forms a noun from a verb ending in -y.

“baron + -ial → baronial”

OriginProto-Indo-European *h₂élisder.? →
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Meanings

suffix-ial (adjective-forming suffix, not comparable)
  1. alternativenot comparableAlternative form of -al.

    baron + -ial → baronial

suffix-ial (noun-forming suffix, plural -ials)

plural -ials

  1. Forms a noun from a verb ending in -y.

Synonyms & antonyms

Also see
-y

Origin

  1. Proto-Indo-European*h₂el-
  2. Proto-Indo-European*h₂élisder.?
  3. English-ial

Inherited from Middle English -ial, derived from Old French -ial, derived from Latin -ālis after radical in -ius, -ia, -ium. Equivalent to -i- + -al.

More words from Middle English, Old French, Latin

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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