The term 'Piped Up' is an idiom that means to speak up or to express one's opinion. The crossword solutions for this term are SAID (4 letters), SPOKE (5 letters), and CHIMEDIN (8 letters). SAID is a verb that means to utter words in order to convey information, an opinion, or a feeling. SPOKE is also a verb that means to talk or converse, usually in an informal manner. CHIMEDIN is a verb that means to join in a conversation or discussion by adding one's own comments.