nnoun.objectanything indispensableSynset:necessary necessity requirement requisite
Examples:- food and shelter are necessities of life
- the essentials of the good life
- allow farmers to buy their requirements under favorable conditions
- a place where the requisites of water fuel and fodder can be obtained
Antonyms:inessential
Derivationally Related Form:necessitatenecessaryrequisiteessentialnecessitousrequire
Hypernyms:thing
Inherited Hypernyms:necessitythingphysical entityentity
Direct Hyponyms:desideratummustneedwant
Full Hyponyms:desideratummustneed
adj satadj.allabsolutely necessary; vitally necessarySynset:indispensable
Examples:- essential tools and materials
- funds essential to the completion of the project
- an indispensable worker
Antonyms:unnecessary
Derivationally Related Form:indispensabilityessentialindispensablenessessentialness
Inherited Hypernyms:essential
Similar to:necessary
adjadj.allbasic and fundamentalAttributes:essentiality essentialness
Antonyms:inessential
Derivationally Related Form:essentialityessentialness
Inherited Hypernyms:essential
Similar to:biogenic constituent constitutional constitutive organic must no-frills staple substantial substantive virtual life-sustaining vital
See also:crucial important important indispensable intrinsic intrinsical necessary of import primary unexpendable
adj satadj.allof the greatest importanceSynset:all-important all important crucial of the essence
Examples:- the all-important subject of disarmament
- crucial information
- in chess cool nerves are of the essence
Antonyms:unimportant
Derivationally Related Form:crucialityessentialityessenceessentialness
Inherited Hypernyms:all-important
Similar to:important of import
adjadj.pertbeing or relating to or containing the essence of a plant etcDerivationally Related Form:essenceessentialness
Pertainyms:essence
Inherited Hypernyms:essential
adjadj.alldefining rights and duties as opposed to giving the rules by which rights and duties are establishedTopic:jurisprudencelaw
Synset:substantive
Antonyms:adjective
Derivationally Related Form:essentialness
Inherited Hypernyms:substantive