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Ad vs Classified - What's the difference?

ad | classified |

As verbs the difference between ad and classified

is that ad is (second person singular present form of the negation verb) while classified is (classify).

As an adjective classified is

formally assigned by a government to one of several levels of sensitivity, usually (in english) top secret, secret, confidential, and, in some countries, restricted; thereby making disclosure to unauthorized persons illegal.

As a noun classified is

(informal) a classified advertisement in a newspaper or magazine.

ad

Translingual

Symbol

(head)
  • The ISO 3166-1 two-letter (alpha-2) code for Andorra.
    • ISO 3166-1 ----

    classified

    English

    Etymology 1

    Verb

    (head)
  • (classify)
    • Make sure all the field observations are classified by species.

    Adjective

    (classified information) (en adjective)
  • Formally assigned by a government to one of several levels of sensitivity, usually (in English) top secret, secret, confidential, and, in some countries, restricted; thereby making disclosure to unauthorized persons illegal.
    • We do not discuss specific interrogation techniques because they are classified information.
  • Not meant to be disclosed by a person or organization.
    • I won't say who I'm going to the prom with; that's classified .

    Etymology 2

    (Classified advertising) From , by shortening.

    Noun

    (en noun)
  • (informal) A classified advertisement in a newspaper or magazine.
    • He ran a classified for the tools he wanted to sell.