con

noun10

1. •
   a bad point about something, when its good points are also being thought about

   • pros and cons
2. •
   (informal) A fraud; something carried out with the intention of deceiving, usually for personal, often illegal, gain.

   • My heart is breaking for my sister And the con that she called "love" — 2012
3. •
   (slang) A convicted criminal, a convict.
4. •
   (informal) An organized gathering, such as a convention, conference, or congress.
5. •
   A political conservative.
6. •
   (informal) The conversion of part of a building.

   • We're getting a loft con done next year.
7. •
   Abbreviation of consolidation: only used in naming.
8. •
   (informal, no longer used) Consumption; pulmonary tuberculosis.
9. •
   (dialect, no longer used) Squirrel, particularly the red squirrel.
10. •
    (Northern-England, no longer used) A squirrel's nest.

verb3

1. •
   (informal) To trick, lie or defraud, usually for personal gain.

   • Neoliberalism has conned us into fighting climate change as individuals [title] — 2017
2. •
   (rare) To study or examine carefully, especially in order to gain knowledge of; to learn, or learn by heart.

   • At length, himself unsettling, he the pond / Stirred with his staff, and fixedly did look / Upon the muddy water, which he conned, / As if he had been reading in a book — 1815
3. •
   (no longer used, rare) To know; understand; acknowledge.

   • Of Muses Hobbinol, I conne no skill — 1579

adjective1

1. •
   Abbreviation of consolidated: only used in naming.

noun2

1. •
   Initialism of Certificate of Need.
2. •
   Initialism of constitution point.

noun1

1. •
   Forms terms for abnormal sexual attractions.