In opposition or disagreement; against: debated the issue pro and con. n. 1. An argument or opinion against something. 2. One who holds an opposing opinion or view. [Short for contra.] 1. To study, peruse, or examine carefully. 2. To learn or commit to memory. A list of upcoming Florida Conventions from the biggest convention database as found on FanCons.com. Learn what con means with clear definitions, pronunciation, synonyms, and real-world examples. Simple explanations to help you use con correctly. Pronouncing con correctly is essential, particularly when discussing the term in contexts that involve fraud or deception. To pronounce con, start by focusing on the initial hard 'C' sound, similar to the 'k' in cat. The vowel sound in con is short, akin to the 'o' in cot. A list of 2026 Florida Conventions from the biggest convention database as found on FanCons.com. pros and cons You have to weigh up all the pros and cons of the matter before you make a decision. San Diego has the largest comic con in the United States. The city holds an annual sci-fi con. The actor is in Chicago this weekend for Wizard World, and is scheduled to be at the New York Comic Con at the end of next month. Abbreviation of English Co fá n. con. (international standards) ISO 639-3 language code for Cofán. Attendees are encouraged to dress up as their favorite superhero, supervillain or character from your favorite universe! Enjoy our Special Guests, vendors, food trucks, artists and activities- there will be something for fans of all ages! The meaning of CON is something (such as a ruse) used deceptively to gain another's confidence; also : a confidence game : swindle. How to use con in a sentence. Con (name) Confidence trick, also known as con, scam, or flim flam; con is also a person who perpetrates a confidence trick Conn (nautical), also spelled con, the command of movement of a ship at sea Consider (MUD), the ability to evaluate an opponent in MUDs Contact lens, in Hong Kong English Convention (meeting) Fan convention, e.g. Comic-Con Convict, as in con, a person who has been.