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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.

The OTC might tide them over until that GMO creation was ready for widespread planting.

From Slate • Apr. 20, 2026

Investors in the companies’ common stock, which trades on OTC Markets, are eager for news after the administration floated the possibility of a new public offering in 2025.

From Barron's • Jan. 6, 2026

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

From MarketWatch • Dec. 12, 2025

He shouts to Devon that Gemma is alive just before the OTC is turned off.

From Los Angeles Times • Jan. 15, 2025

The OTC operators managed the OTC X.25 exchange, which was like a telephone exchange for the X.25 data network.

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.