should

/ʃʊd/
verb
  1. Used to indicate obligation, duty, or correctness (often when giving advice or expressing what is best).
    • You should brush your teeth twice a day.
    • Students should complete their homework before playing video games.
    • We should leave now to catch the train.
  2. Used to indicate what is likely or expected to happen.
    • It should be sunny tomorrow according to the forecast.
    • She should be home by now; her class ended an hour ago.
    • The package should arrive by Friday.
  3. Used in conditional sentences to express a possible future event (often with 'if' or 'in case').
    • If you should see him, please give him this message.
    • In case you should need help, just call me.
    • Should it rain, the picnic will be moved indoors.
Synonyms
What does "should" mean? | whatsthatwordmean | whatsthatwordmean