1

con

noun \ ˈkän \

Definition of con

: something (such as a ruse) used deceptively to gain another's confidence
  • He knew too much about con to fall for that one …
  • —Herbert Gold
also : a confidence game : swindle

First Known Use of con

1901

in the meaning defined above

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2

con

verb

Definition of con

conned; conning
1 : swindle
  • accused of conning retirees out of their savings
2 : manipulate 2b
  • He conned his way into the job.
3 : persuade, cajole
  • conned her into volunteering

First Known Use of con

1896

in the meaning defined at sense 1

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3

con

noun

Definition of con

Origin and Etymology of con

by shortening


4

con

noun

Definition of con

1 : an argument or evidence in opposition
2 : the negative position or one holding it
  • an appraisal of the pros and cons

First Known Use of con

1589

in the meaning defined at sense 1

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5

con

adverb

Definition of con

: on the negative side : in opposition
  • so much has been written pro and con

Origin and Etymology of con

Middle English, short for contra


6

con

adjective

Definition of con

: confidence
  • a con artist
  • a con game

Origin and Etymology of con

by shortening


7

con

verb

Definition of con

conned; conning
1 : to commit to memory
  • conned the poem
2 : to study or examine closely
  • Clare regarded her attentively, conned the characters of her face as if they had been hieroglyphics.
  • —Thomas Hardy

Origin and Etymology of con

Middle English connen to know, learn, study, alteration of cunnen to know, infinitive of can — more at can


8

con

noun

Definition of con

slang
: a destructive disease of the lungs; especially : tuberculosis

Origin and Etymology of con

short for consumption


9

con

verb

less common spelling of

: to conduct or direct the steering of (a vessel, such as a ship)

10

con

abbreviation

Definition of con

1
[Latin conjunx]
consort
2 consolidated
3 consul
4 continued

con-

prefix

Definition of con-

— see com-


CON Defined for English Language Learners

con

Definition of con for English Language Learners

  • : against something


CON Defined for Kids

1

con

adverb \ ˈkän \

Definition of con for Students

: on the negative side
  • argue pro and con

2

con

noun

Definition of con for Students

: an opposing argument, person, or position
  • She considered the pros and cons of the question.

con-

Definition of con- for Students

see com-


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