cy·​clic | \ ˈsī-klik How to pronounce cyclic (audio) also ˈsi- How to pronounce cyclic (audio) \
variants: or cyclical \ ˈsī-​kli-​kəl How to pronounce cyclic (audio) , ˈsi-​ \

Definition of cyclic

 (Entry 1 of 2)

1a : of, relating to, or being a cycle
b : moving in cycles cyclic time
c : of, relating to, or being a chemical compound containing a ring of atoms
2 cyclic : being a mathematical group that has an element such that every element of the group can be expressed as one of its powers



Definition of cyclic (Entry 2 of 2)

: a helicopter control that governs horizontal thrust by adjusting the pitch of individual rotor blades during their rotation

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Other Words from cyclic


cyclically \ ˈsī-​kli-​k(ə-​)lē How to pronounce cyclic (audio) , ˈsi-​ \ or less commonly cyclicly \ ˈsī-​kli-​klē How to pronounce cyclic (audio) , ˈsi-​ \ adverb

Examples of cyclic in a Sentence

Adjective cyclic changes in the weather the cyclical nature of history
Recent Examples on the Web: Adjective The changes allowed Chin and his colleagues to string the new amino acids together in a series of cyclic structures that closely resemble existing antibiotics and antitumor drugs. Robert F. Service, Science | AAAS, 3 June 2021 Follow a cyclic morning routine, for example, that covers simple tasks such as your wake-up time, brushing teeth, bathing, breakfast, etc. Ankit Mehta, Forbes, 10 May 2021 While Montano's illness has consisted of a similar set of cyclic symptoms, Schiavo's has been one of constant surprises. Anchorage Daily News, 11 June 2020 Aera Energy withdraws plans to significantly expand cyclic steam injection operations in Santa Barbara County. Arlene Martinez, USA TODAY, 29 May 2020 Hinduism and Buddhism, for example, adopted a cyclic view of time that suggested the eventual return of the world to its former state; nothing is permanent, and even death is merely a passage to rebirth and renewal. Quanta Magazine, 5 May 2020 Beyond that, the system detects breathing/respiratory signals by detecting cyclic movements of the chest. Dinsa Sachan, Smithsonian Magazine, 14 Apr. 2020 With the upcycle of hares there had been an upcycle of raptors — a common occurrence in cyclic prey populations. Steve Meyer, Anchorage Daily News, 8 Mar. 2020 Lemming populations go through cycles of boom and bust every few years, and these cyclic changes in the local abundance of food periodically influence snowy owl winter movements. Don Lyman,, 30 Dec. 2019 Recent Examples on the Web: Noun Cyclopropenylidene is the second cyclic or closed-loop molecule detected at Titan; the first was benzene in 2003. Ashley Strickland, CNN, 28 Oct. 2020 However, the moratorium only covers new permits for high-pressure cyclic steaming and does not affect oil companies with existing permits. Winston Gieseke, USA TODAY, 24 Sep. 2020 Finally, the cyclic permits me to push the helicopter sideways to the left or right, or move forward or backwards. Rob Verger, Popular Science, 5 Nov. 2019 The 11-year-old has a rare blood disease called chronic cyclic neutropenia, which causes her white cell count to drop dramatically low every three months. Suzanne Malveaux, CNN, 25 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cyclic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cyclic


1794, in the meaning defined at sense 1a


1963, in the meaning defined above

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Statistics for cyclic

Last Updated

12 Jun 2021

Cite this Entry

“Cyclic.” Dictionary, Merriam-Webster, Accessed 23 Jun. 2021.

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More Definitions for cyclic



English Language Learners Definition of cyclic

: happening again and again in the same order : happening in cycles


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