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Synonyms

OTC

American  

  1. Also O.T.C. Officers' Training Corps.

  2. over-the-counter.

OTC British  

abbreviation

  1. (in Britain) Officers' Training Corps

  2. over-the-counter

  3. oxytetracycline

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It had replanted, and injected trees with OTC, and everything else.

From Slate • Apr. 20, 2026

The OTC market is operated by banks for wealthy customers who want to privately express their views, or who employ strategies that are difficult to complete in normal markets.

From Barron's • Feb. 4, 2026

That $30 jump is likely stale OTC data updating in chunks.

From MarketWatch • Dec. 12, 2025

He was able to track down Burt, the head of the optics and design department, whom he’s fallen in love with and tries to see while the OTC is happening.

From Los Angeles Times • Jan. 15, 2025

OTC was later merged with Telecom to become Telstra.

From Underground by Dreyfus, Suelette

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.