Definitions from Wiktionary ( )

▸ verb:  (auxiliary) Ought to; indicating opinion, advice, or instruction, about what is required or desirable.
▸ verb:  Used to issue an instruction (traditionally seen as carrying less force of authority than alternatives such as 'shall' or 'must').
▸ verb:  Used to give advice or opinion that an action is, or would have been, beneficial or desirable.
▸ verb:  (informal) With verbs such as 'see' or 'hear', usually in the second person, used to point out something remarkable in either a good or bad way.
▸ verb:  In questions, asks what is correct, proper, desirable, etc.
▸ verb:  (auxiliary) Ought to; expressing expectation.
▸ verb:  Indicates that something is expected to have happened or to be the case now.
▸ verb:  Will be likely to (become or do something); indicates a degree of possibility or probability that the stated thing will happen or be true in the future.
▸ verb:  (auxiliary, subjunctive) Used to form a variant of the present subjunctive, expressing a state or action that is hypothetical, potential, mandated, etc.
▸ verb:  (auxiliary) An alternative to would with first person subjects.
▸ verb:  (formal or literary) Used to express a conditional outcome.
▸ verb:  (formal or literary outside certain combinations such as with 'imagine' or 'think') Used to impart a tentative, conjectural or polite nuance.
▸ verb:  Used to express what the speaker would do in another person's situation, as a means of giving a suggestion or recommendation.
▸ noun:  Something that ought to be the case as opposed to already being the case.
▸ verb:  To make a statement of what ought to be true, as opposed to reality.

---

▸ Word origin

▸ Words similar to should
▸ Usage examples for should

▸ Idioms related to should
▸ Wikipedia articles (New!)
▸ Popular adjectives describing should
▸ Words that often appear near should
▸ Rhymes of should

▸ Invented words related to should