Standard Lemma guide

acyclic

adj · 5 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.

  • /eɪˈsaɪklɪk/
  • /eɪˈsɪklɪk/
  • Southern-England: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Not cyclic; having an open chain structure.

Definition source: English Wiktionary via Wiktextract

Usage: physical

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: cyclic

2

adj

Meaning 2

Containing no cycles.

Definition source: English Wiktionary via Wiktextract

Topics: graph-theory, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Of a flower, having its parts inserted spirally on the receptacle.

Definition source: English Wiktionary via Wiktextract

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective

Meaning 4

having an open chain structure

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: open-chain

Antonyms: cyclic

5

adjective

Meaning 5

not cyclic; especially having parts arranged in spirals rather than whorls

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: cyclic

History

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-)der. English a- Proto-Indo-European *kwel- Proto-Indo-European *kwékwlos Ancient Greek κύκλος (kúklos) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek κυκλῐκός (kuklĭkós)bor. Classical Latin cyclicuslbor. Middle French cyclique French cycliquebor. ▲ Classical Latin cyclicusbor. English cyclic English acyclic From a- + cyclic.

Across languages

Translations

18 source translations are retained for this English entry.

  • Afrikaans: asiklies — not cyclic
  • Bulgarian: нецикличен (necikličen) — not cyclic
  • Catalan: acíclic — not cyclic
  • Czech: acyklický — not cyclic
  • Dutch: acyclisch — not cyclic
  • Finnish: ei-syklinen — not cyclic
  • Finnish: asyklinen — not cyclic
  • French: acyclique — not cyclic
  • Hungarian: aciklusos — not cyclic
  • Italian: aciclico — not cyclic
  • Polish: acykliczny — not cyclic
  • Polish: niecykliczny — not cyclic
  • Portuguese: acíclico — not cyclic
  • Russian: ацикли́ческий (aciklíčeskij) — not cyclic
  • Serbo-Croatian: ацѝкличкӣ — not cyclic
  • Serbo-Croatian: acìkličkī — not cyclic
  • Spanish: acíclico — not cyclic
  • Tagalog: awansalkupin — not cyclic
Real reading context

acyclic in complete knowledge articles