CIRCULARIZE Meaning of CIRCULARIZE in English [cir.cu.lar.ize] vt -ized ; -iz.ing (1848) 1 a: to send circulars to b: to poll by questionnaire 2: publicize -- cir.cu.lar.i.za.tion n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012