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1. Intense adverse criticism
   "he published an unexpected flack on my work";
   - fire, attack, flak, blast
    
2. [N. Amer] A slick spokesperson who can turn any criticism to the advantage of their employer
   - flak catcher, flak [N. Amer], flack catcher
    
3. Artillery designed to shoot upward at airplanes
   - antiaircraft, antiaircraft gun, flak, pom-pom, ack-ack, ack-ack gun
    
4. [N. Amer] Someone employed to arrange publicity (for a firm or a public figure)
   - press agent, publicity man, public relations man, PR man

1. Make publicity for; try to sell (a product)
   "The company is heavily flacking their new laptops";
   - advertise, advertize [US, non-standard], promote, push

Derived forms: flacked, flacks, flacking

Type of: criticism, gun, interpreter, praise, publiciser [Brit], publicist, publicizer, representative, spokesperson, unfavorable judgment [US], unfavourable judgment [Brit, Cdn], voice

Encyclopedia: Flack