ordinal

O1R1D2I1N1A1L1
UK/ˈɔː.dɪ.nəl/Canada, US/ˈɔɹ.dɪ.nəl/Australia/ˈoː.dɪ.nəl/

adjective

Indicating position in a sequence.

“"Three" is a cardinal number, while "third" is the corresponding ordinal number.”

Opposite

Meanings

adjectiveordinal (not comparable)
  1. not comparablemathematicsIndicating position in a sequence.

    "Three" is a cardinal number, while "third" is the corresponding ordinal number.

  2. not comparablebiologyPertaining to a taxon at the rank of order.
  3. not comparablenauticalIntercardinal.
nounordinal (plural ordinals)

plural ordinals

  1. An ordinal number such as first, second and third.

    The most common numerals in Latin, as in English, are the "cardinals"[…]and the "ordinals"[…]

    2005, F. M. Wheelock, Wheelock’s Latin, 6th revised edition, page 97
  2. A book used in the ordination of Anglican ministers, or in certain Roman Catholic services
  3. businessA unique serial number assigned to a satoshi based on its position in the blockchain.

Synonyms & antonyms

adjectivebeing or denoting a numerical order in a series

Opposite

nounthe number designating place in an ordered sequence

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinōrdinālis
  2. Englishordinal

Borrowed from Latin ōrdinālis, adjective formed from noun ōrdō (“order”), + adjective suffix -ālis.

Full word history & related roots →

Translations

Bulgarian реден, числително редно
  • реден (reden)indicating position in a numerical sequence
  • числително редно (čislitelno redno)ordinal number — see also ordinal number
Czech řadový, pořadový
  • řadovýindicating position in a numerical sequence
  • pořadovýindicating position in a numerical sequence
Danish ordenstal, ordinaltal
  • ordenstalordinal number — see also ordinal number
  • ordinaltalordinal number — see also ordinal number
Finnish ordinaalinen, lahkon
  • ordinaalinenindicating position in a numerical sequence
  • lahkontaxonomy: of or relating to orders
  • lahko-taxonomy: of or relating to orders
  • ordinaaliordinal number — see also ordinal number
  • ordinaalilukusanaordinal number — see also ordinal number
  • ordinaalilukuordinal number — see also ordinal number
  • järjestyslukuordinal number — see also ordinal number
  • ordinaalibook
French ordinal, ordinaux
  • ordinalindicating position in a numerical sequence
  • ordinauxindicating position in a numerical sequence
  • ordinalordinal number — see also ordinal number
German ordinal
  • ordinalindicating position in a numerical sequence
Hungarian sorszám
  • sorszámindicating position in a numerical sequence
Indonesian ordinal
  • ordinalindicating position in a numerical sequence
Latin ordinalis
  • ordinalisindicating position in a numerical sequence
Portuguese ordinal
  • ordinalindicating position in a numerical sequence
Russian поря́дковый
  • поря́дковый (porjádkovyj)indicating position in a numerical sequence
Spanish ordinal
  • ordinalindicating position in a numerical sequence
Tagalog panunod, bilang na panunod
  • panunodindicating position in a numerical sequence
  • bilang na panunodordinal number — see also ordinal number
Welsh trefnol, trefnolyn
  • trefnolindicating position in a numerical sequence
  • trefnolynordinal number — see also ordinal number

Rhymes & wordplay

Anagrams

Cite this entry
APA

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

MLA

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

Chicago

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

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