Function: verb
1
Synonyms: SILENCE , choke (off), hush, quiet, ||quieten, shush, still
2 to cease speaking FF1C; told the boy to sit down and shut up FF1E;
Synonyms: dry up, dumb (up), ||dummy (up), pipe down, ||ring off
Related Words: hush, quiet (down), shush, soft-pedal
Idioms: button ( or seal) one's lips, keep quiet