Essential :: Essential (a.) Important in the highest degree; indispensable to the attainment of an object; indispensably necessary.
Essential :: Essential (a.) Containing the essence or characteristic portion of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil..
Essential :: Essential (a.) Necessary; indispensable; -- said of those tones which constitute a chord, in distinction from ornamental or passing tones..
Essential :: Essential (a.) Idiopathic; independent of other diseases.
Essentiality :: Essentiality (n.) The quality of being essential; the essential part.
Quintessential :: Quintessential (a.) Of the nature of a quintessence; purest.
Superessential :: Supererogatory (a.) Performed to an extent not enjoined, or not required, by duty or necessity; as, supererogatory services..
Unessential :: Unessential (a.) Not essential; not of prime importance; not indispensable; unimportant.
Unessential :: Unessential (a.) Void of essence, or real being..
Unessential :: Unessential (n.) Something not constituting essence, or something which is not of absolute necessity; as, forms are among the unessentials of religion..