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C3

British  

adjective

  1. in poor health or having a poor physique

  2. informal inferior; worthless

"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.

"Instead of finding the normal molecules we expect to see on an exoplanet -- like water, methane and carbon dioxide -- we saw molecular carbon, specifically C3 and C2," Zhang said.

From Science Daily • Jan. 1, 2026

The car giant Stellantis recently said people should stop using versions of the popular Citroen C3 and the related DS3 altogether until they were fixed.

From BBC • Jul. 2, 2025

In a statement last week, car-maker Stellantis - which produces the C3 and DS3 - said it was "committed to acting quickly and with the utmost transparency" to provide its customers with a solution.

From BBC • Jun. 25, 2025

The UK arm of Stellantis also issued a stop drive notice for its Citroen C3 and DS3 cars this week.

From BBC • Jun. 25, 2025

C3: The whole structure of models must be stable.

From The Brain, A Decoded Enigma by Moisa, Dorin Teodor

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