aperiodic

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adjective

That does not recur periodically.

“aperiodic tiling”

Similar
nonperiodicnoncyclicnonoscillatory
Opposite
periodic
OriginEnglish periodic ← Latin per- ← Proto-Italic *peri- →
UncommonScrabble 14
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Meanings

adjectiveaperiodic (comparative more aperiodic, superlative most aperiodic)

comparative more aperiodic · superlative most aperiodic

  1. That does not recur periodically.

    aperiodic tiling

  2. natural sciencesThat does not have a periodic vibration
  3. stochastic processesmathematicsfor which any return to it may occur at irregular times; not periodic.

    Antonyms: periodic

Synonyms & antonyms

adjectivefor which any return to it may occur at irregular times; not periodic.

Opposite
periodic

More synonyms by meaning

adjectivenot recurring at regular intervals

Similar
nonperiodicnoncyclicnonoscillatory
Opposite
periodic
Also see
noncyclicnonoscillatorynonperiodic

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Hellenic*ə-
  4. Ancient Greekἀ- (a-)
  5. Englisha-
  6. Proto-Indo-European*per-der.?
  7. Proto-Indo-European*pér
  8. Proto-Italic*per
  9. Latinper
  10. Proto-Indo-European*per-
  11. Proto-Italic*peri-
  12. Latinper-
  13. Englishper-
  14. Englishiodic
  15. Englishperiodic
  16. Englishaperiodic

From a- + periodic.

Full word history & related roots →

Translations

Hebrew לא מחזורי
  • לא מחזורי (ló machzorí)math: of a state
Irish neamhthréimhsiúil, aipeiriadach
  • neamhthréimhsiúilthat does not recur periodically
  • aipeiriadachmath: of a state
Italian aperiodico
  • aperiodicomath: of a state
Polish aperiodyczny, nieokresowy
  • aperiodycznythat does not recur periodically
  • nieokresowythat does not recur periodically
  • nieperiodycznythat does not recur periodically
Portuguese aperiódico
  • aperiódicomath: of a state
Romanian aperiodic
  • aperiodicmath: of a state
Spanish aperiódico
  • aperiódicomath: of a state

Rhymes & wordplay

Anagrams

apioceridadipocire
Cite this entry
APA

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

MLA

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

Chicago

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

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