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Verb: speak up
  1. Express one's opinion openly and without fear or hesitation
    "John spoke up at the meeting";
    - opine, speak out, animadvert, sound off
  2. Speak louder; raise one's voice
    "The audience asked the lecturer to please speak up"

Derived forms: speaking up, speaks up, spoke up, spoken up

See also: verbalize

Type of: declare, mouth, pronounce, speak, talk, utter, verbalise [Brit], verbalize

Encyclopedia: Speak up