Should vs. Need — What's the Difference?

(auxiliary) Ought to; indicating opinion, advice, or instruction, about what is required or desirable.

A need is something that is necessary for an organism to live a healthy life. Needs are distinguished from wants.

Used to issue an instruction (traditionally seen as carrying less force of authority than alternatives such as 'shall' or 'must').

A condition or situation in which something must be supplied in order for a certain condition to be maintained or a desired state to be achieved

Used to give advice or opinion that an action is, or would have been, beneficial or desirable.

Something required or wanted; a requisite

(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.

Necessity; obligation

In questions, asks what is correct, proper, desirable, etc.

A condition of poverty or misfortune

(auxiliary) Ought to; expressing expectation.

To be under the necessity of or the obligation to

Indicates that something is expected to have happened or to be the case now.

To have need of; require

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.

To have an obligation (to do something)

Used to form a variant of the present subjunctive, expressing a state or action that is hypothetical, potential, mandated, etc.

To be subject (to an action) by obligation

(auxiliary) cap=1.

To want to be subject to

(auxiliary) An alternative to would with first person subjects.

To be in need or want.

Used to express a conditional outcome.

To be necessary.

Used to impart a tentative, conjectural or polite nuance.

A requirement for something; something needed.

Used to express what the speaker would do in another person's situation, as a means of giving a suggestion or recommendation.

Lack of means of subsistence; poverty; indigence; destitution.

To make a statement of what ought to be true, as opposed to reality. en

(transitive) To have an absolute requirement for.

Something that ought to be the case as opposed to already being the case.

(transitive) To want strongly; to feel that one must have something.

Used as an auxiliary verb, to express a conditional or contingent act or state, or as a supposition of an actual fact; also, to express moral obligation (see Shall); e. g.: they should have come last week; if I should go; I should think you could go.

(modal verb) To be obliged or required (to do something).

(intransitive) To be required; to be necessary.

To be necessary (to someone).

A state that requires supply or relief; pressing occasion for something; necessity; urgent want.

Want of the means of subsistence; poverty; indigence; destitution.

That which is needful; anything necessary to be done; (pl.) necessary things; business.

Situation of need; peril; danger.

To be in want of; to have cause or occasion for; to lack; to require, as supply or relief.

To be wanted; to be necessary.

Of necessity. See Needs.

A condition requiring relief;

Anything that is necessary but lacking;

The psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior;

A state of extreme poverty or destitution;

Require as useful, just, or proper;

Have need of;

Have or feel a need for;