tricyclic

noun

Examples of tricyclic in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Types of antidepressants include serotonin-norepinephrine reuptake inhibitors (SNRIs), selective serotonin reuptake inhibitors (SSRIs), and tricyclics. Spinal Injections Spinal injections might offer pain relief when other therapies have not been helpful for back or neck pain. Lana Barhum, Verywell Health, 1 Aug. 2024

Word History

First Known Use

1973, in the meaning defined above

Time Traveler
The first known use of tricyclic was in 1973

Cite this Entry

“Tricyclic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tricyclic. Accessed 10 Jun. 2026.

Medical Definition

tricyclic

1 of 2 adjective
tri·​cy·​clic (ˈ)trī-ˈsī-klik, -ˈsik-lik How to pronounce tricyclic (audio)
: being a chemical with three usually fused rings in the molecular structure and especially a tricyclic antidepressant

tricyclic

2 of 2 noun
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