Oxford Dictionary English shut in phrasal verbphrasal verb Add to my wordlistjump to other resultsPhrasal Verbs shut somebody/yourself in (something) Add to my wordlistjump to other results to put somebody in a room and keep them there; to go to a room and stay there She shut the dog in the shed while she prepared the barbecue.shut something in something Add to my wordlistjump to other resultsto trap something by closing a door, lid, etc. on it Sam shut his finger in the car door. oxfordlearnersdictionaries.com