shut up

definition: closely confined
example:
speech part: adjective
synonyms: pent
definition: cause to be quiet or not talk
example:
speech part: verb
synonyms: hush
definition: refuse to talk or stop talking
example:
speech part: verb
synonyms: close up
definition: place in a place where something cannot be removed or someone cannot escape
example:
speech part: verb
synonyms: lock

How shut up is being used?