adj · 10 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˌpɪɹiˈɒdɪk/
Received-Pronunciation:/ˌpɪə-/
General-American:/ˌpɪɹiˈɑdɪk/
General-American:Recorded audio is listed in the source snapshot.
rhymes with -ɒdɪk
"pûrīŏd'ĭk
/ˌpɜːɹaɪˈɒdɪk/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:P IH2 R IY0 AA1 D IH0 K
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Relative to a period or periods.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
adj
Meaning 2
Having repeated cycles.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: cyclic
Antonyms: none provided
3
adj
Meaning 3
Occurring at regular intervals.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: cyclic
Antonyms: none provided
4
adj
Meaning 4
Periodical.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
adj
Meaning 5
Pertaining to the revolution of a celestial object in its orbit.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: non-periodic
6
adj
Meaning 6
For which any return to it must occur in multiples of k time steps, for some k>1.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Qualifier: stochastic processes
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: aperiodic
7
adj
Meaning 7
Having a structure characterized by periodic sentences.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable, rhetoric
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
8
adj
Meaning 8
Relating to the highest oxidation state of iodine; of or derived from a periodic acid.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
9
adjective
Meaning 9
happening or recurring at regular intervals
Definition source: Princeton WordNet 3.0
Examples
the periodic appearance of the seventeen-year locust
Meaning relationships
Synonyms: periodical
Antonyms: aperiodic
10
adjective satellite
Meaning 10
recurring or reappearing from time to time
Definition source: Princeton WordNet 3.0
Examples
periodic feelings of anxiety
Meaning relationships
Synonyms: occasional
Antonyms: none provided
History
Etymology
From French périodique, from Medieval Latin periodicus (“cyclical”), from Latin periodus (“complete sentence, period, circuit”), from Ancient Greek περίοδος (períodos, “cycle, period of time”). By surface analysis, period + -ic.
Etymology tree Proto-Indo-European *per- Proto-Italic *per Latin perbor. Proto-Indo-European *per-der. Proto-Italic *peri- Latin per-bor. English per- English iodic English periodic From per- + iodic.
Across languages
Translations
73 source translations are retained for this English entry.
Bulgarian:
периодичен
(periodičen)
— relative to a period or periods
Finnish:
jaksollinen
— relative to a period or periods
Finnish:
aikakautinen
— relative to a period or periods
French:
périodique
— relative to a period or periods
Greek:
περιοδικός
(periodikós)
— relative to a period or periods
Hungarian:
szakaszos
— relative to a period or periods
Hungarian:
időszakos
— relative to a period or periods
Italian:
periodico
— relative to a period or periods
Japanese:
周期的
(shūki-teki)
— relative to a period or periods
Kazakh:
периодтық
(periodtyq)
— relative to a period or periods
Kazakh:
периодты
(periodty)
— relative to a period or periods
Portuguese:
periódico
— relative to a period or periods
Swedish:
period-
— relative to a period or periods
Bulgarian:
цикличен
(cikličen)
— having repeated cycles
Catalan:
periòdic
— having repeated cycles
Chinese Mandarin:
週期的 /周期的
(zhōuqí de)
— having repeated cycles
Czech:
periodický
— having repeated cycles
Danish:
periodisk
— having repeated cycles
Finnish:
jaksollinen
— having repeated cycles
French:
périodique
— having repeated cycles
German:
periodisch
— having repeated cycles
Greek:
περιοδικός
(periodikós)
— having repeated cycles
Hebrew:
מחזורי
(machzorí)
— having repeated cycles
Hungarian:
ismétlődő
— having repeated cycles
Italian:
periodico
— having repeated cycles
Italian:
periodica
— having repeated cycles
Japanese:
周期的
(shūki-teki)
— having repeated cycles
Polish:
okresowy
— having repeated cycles
Polish:
periodyczny
— having repeated cycles
Portuguese:
periódico
— having repeated cycles
Russian:
периоди́ческий
(periodíčeskij)
— having repeated cycles
Spanish:
periódico
— having repeated cycles
Swedish:
periodisk
— having repeated cycles
Ukrainian:
періоди́чний
(periodýčnyj)
— having repeated cycles
Yiddish:
פּעריאָדיש
(peryodish)
— having repeated cycles
Bulgarian:
периодичен
(periodičen)
— occurring at regular intervals
Catalan:
periòdic
— occurring at regular intervals
Danish:
periodisk
— occurring at regular intervals
Finnish:
säännöllinen
— occurring at regular intervals
Finnish:
jaksollinen
— occurring at regular intervals
French:
périodique
— occurring at regular intervals
Greek:
περιοδικός
(periodikós)
— occurring at regular intervals
Hungarian:
periodikus
— occurring at regular intervals
Hungarian:
időszaki
— occurring at regular intervals
Irish:
tréimhsiúil
— occurring at regular intervals
Japanese:
周期的
(shūki-teki)
— occurring at regular intervals
Malay:
berkala
— occurring at regular intervals
Māori:
huirangi
— occurring at regular intervals
Māori:
kauteatea
— occurring at regular intervals
Norwegian Bokmål:
periodisk
— occurring at regular intervals
Norwegian Nynorsk:
periodisk
— occurring at regular intervals
Polish:
okresowy
— occurring at regular intervals
Polish:
periodyczny
— occurring at regular intervals
Portuguese:
periódico
— occurring at regular intervals
Swedish:
periodisk
— occurring at regular intervals
Swedish:
regelbunden
— occurring at regular intervals
Ukrainian:
періоди́чний
(periodýčnyj)
— occurring at regular intervals
Yiddish:
פּעריאָדיש
(peryodish)
— occurring at regular intervals
Danish:
periodisk
— periodical
Finnish:
jaksollinen
— periodical
Finnish:
kausittainen
— periodical
Greek:
περιοδικό
(periodikó)
— periodical
Japanese:
周期的
(shūki-teki)
— periodical
Māori:
putaputa
— periodical
Swedish:
periodisk
— periodical
Finnish:
jaksollinen
— (astronomy) pertaining to the revolution of a celestial object in its orbit
Irish:
tréimhsiúil
— (astronomy) pertaining to the revolution of a celestial object in its orbit
Japanese:
周期的
(shūki-teki)
— (astronomy) pertaining to the revolution of a celestial object in its orbit
Swedish:
periodisk
— (astronomy) pertaining to the revolution of a celestial object in its orbit
Bulgarian:
периодичен
(periodičen)
— (mathematics) of a state
Finnish:
jaksollinen
— (mathematics) of a state
Hebrew:
מחזורי
(machzorí)
— (mathematics) of a state
Bulgarian:
реторичен
(retoričen)
— (rhetoric) having structure characterized by periodic sentences