should

modal verb (DUTY)

strong /ʃʊd/ weak /ʃəd/

Definition

A2 used to say or ask what is the correct or best thing to do: If you're annoyed with him, you should tell him. You should change trains at Peterborough if you're going to Newcastle. "Should I apologize to him?" "Yes, I think you should." You should be ashamed of yourselves. This computer isn't working as it should. There should be an investigation into the cause of the disaster. He said that I should see a doctor. I should have written to her but I haven't had time. It's very kind of you, but you really shouldn't have bothered. Where should (= do you suggest that) we meet tonight? It's rather cold in here. Should I (= do you want me to) turn the heating on?Duty, obligation and responsibility

(Definition of should modal verb (DUTY) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)