pari passu

UK/ˌpa.ɹiˈpɑː.suː/

adverb

Simultaneously; likewise, equally.

Similar
at an equal rate
First used 16th c.

Meanings

adverbpari passu (not comparable)
  1. not comparableSimultaneously; likewise, equally.First known use 16th c.

    Pari passu with Marechal Bugeaud's ‘pacification’, French colonisers steadily took root in Algeria.

    1977, Alistair Horne, A Savage War of Peace, New York: Review Books, published 2006, page 30
    2 more examples

    Will container development merely bring about a substitution for the body of the covered wagon? Probably not, in his view, but he believes that the size and tonnage of the container are likely to increase pari passu with the lifting capacity of handling appliances.

    1963 April, “Beyond the Channel: France: Freight stock of the future”, in Modern Railways, page 269

    A subsequent coolness, pari passu with the dotcom billionaire's revenue growth no doubt, is said to've developed.

    2013, Thomas Pynchon, Bleeding Edge, Vintage, published 2014, page 54
  2. not comparableeconomicsAt an equal rate.
adjectivepari passu (not comparable)
  1. not comparableeconomicsAt an equal rate.

Synonyms & antonyms

adverbused in legal language

Similar
at an equal rate

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinparī
  2. Late Latinpari passu
  3. Englishpari passu

From Late Latin pari passu, from Latin parī, ablative of pār (“equal”) + passū, ablative of passus (“step”).

Full word history & related roots →
Cite this entry
APA

pari passu. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pari%20passu

MLA

“pari passu.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pari%20passu. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pari passu,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pari%20passu.

Source: pari passu on Wiktionary, CC BY-SA 4.0.