{v.} 1. To speak in a loud or clear voice. * /The trucker told the shy boy to speak up./ 2. To speak in support of or against someone or something. * /Willie spoke up for Dan as club president./ * /Ed spoke up against letting girls join the club./
SPEAK UP
Meaning of SPEAK UP in English
Slang English vocab. Английский сленговый словарь. 2012