Dictionary and Thesaurus

Definition of Shut Up

• (verb) cause to be quiet or not talk; "Please silence the children in the church!"
• (verb) refuse to talk or stop talking; fall silent; "The children shut up when their father approached"
• (verb) place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
• (adjective satellite) closely confined

Synonyms of Shut Up

• Close Up
• Clam Up
• Dummy Up
• Belt Up
• Button Up
• Be Quiet
• Keep Mum
• Lock In
• Lock Away
• Lock
• Put Away
• Shut Away
• Lock Up
• Hush
• Quieten
• Silence
• Still
• Hush Up
• Pent

Antonyms of Shut Up

• Open Up
• Louden

Homophones of Shut Up