ALL meanings of necessary
nec·es·sar·y
N n - noun necessary The basic requirements of life, such as food and warmth. 1
- adjective necessary being essential, indispensable, or requisite: a necessary part of the motor. 1
- adjective necessary happening or existing by necessity: a necessary change in our plans. 1
- adjective necessary acting or proceeding from compulsion or necessity; not free; involuntary: a necessary agent. 1
- adjective necessary Logic. (of a proposition) such that a denial of it involves a self-contradiction. (of an inference or argument) such that its conclusion cannot be false if its supporting premises are true. (of a condition) such that it must exist if a given event is to occur or a given thing is to exist. Compare sufficient (def 2). 1
- noun plural necessary something necessary or required for a particular purpose; necessity. 1
- noun plural necessary necessaries, Law. food, clothing, etc., required by a dependent or incompetent and varying with his or her social or economic position or that of the person upon whom he or she is dependent. 1
- noun plural necessary Chiefly New England. a privy or toilet. 1
- adjective necessary required, essential 1
- adjective necessary logically inevitable 1
- abbreviation NECESSARY necessity 1
- adjective necessary Something that is necessary is needed in order for something else to happen. 0
- adjective necessary A necessary consequence or connection must happen or exist, because of the nature of the things or events involved. 0
- noun plural necessary Necessaries are things, such as food or clothing, that you need to have in order to live. 0
- adjective necessary needed to achieve a certain desired effect or result; required 0
- adjective necessary resulting from necessity; inevitable 0
- adjective necessary (of a statement, formula, etc) true under all interpretations or in all possible circumstances 0
- adjective necessary (of a proposition) determined to be true by its meaning, so that its denial would be self-contradictory 0
- adjective necessary (of a property) essential, so that without it its subject would not be the entity it is 0
- adjective necessary (of an inference) always yielding a true conclusion when its premises are true; valid 0
- adjective necessary (of a condition) entailed by the truth of some statement or the obtaining of some state of affairs 0
- adjective necessary (in a nonlogical sense) expressing a law of nature, so that if it is in this sense necessary that all As are B, even although it is not contradictory to conceive of an A which is not B, we are licensed to infer that if something were an A it would have to be B 0
- adjective necessary compelled, as by necessity or law; not free 0
- adjective necessary that cannot be dispensed with; essential; indispensable 0
- adjective necessary that must be done; mandatory; not voluntary 0
- adjective necessary not free to choose; compelled by circumstances 0
- adjective necessary inherent in the situation; undeniable; unavoidable from the premises 0
- adjective necessary rendering some essential and intimate service 0
- noun necessary a necessary thing; thing essential to life, some purpose, etc. 0
- noun necessary a privy or toilet 0
- noun necessary those things essential to maintaining a dependent or incompetent in comfort and well-being 0