Boy"cott` (&?;), v. t. [imp. & p. p. Boycotted; p. pr. & vb. n. Boycotting.] [From Captain Boycott, a land agent in Mayo, Ireland, so treated in 1880.] To combine against (a landlord, tradesman, employer, or other person), to withhold social or business relations from him, and to deter others from holding such relations; to subject to a boycott.

Boy"cott, n. The process, fact, or pressure of boycotting; a combining to withhold or prevent dealing or social intercourse with a tradesman, employer, etc.; social and business interdiction for the purpose of coercion.

• To abstain from using, buying, or dealing with someone or some organisation as an expression of protest or as a means of coercion; to blackball
  
• The act of boycotting