- vital
- I(New American Roget's College Thesaurus)adj. essential, indispensable, necessary; life-supporting; vivifying, invigorating; alive, live, vibrant, animate; fatal. See life, organic matter, necessity.II(Roget's IV) modif.1. [Necessary]2. [Alive]Syn. live, animate, animated; see alive 1 .3. [Vigorous]Syn. lively, energetic, lusty; see active 1 , 2 .See Synonym Study at alive .III(Roget's 3 Superthesaurus) a.1. living live, life, animate, life-giving, life-supporting, life-sustaining.2. essential necessary, indispensable, critical, crucial, fundamental, basic, important, life or death, key.3. vigorous energetic, lively, full of life, spirited, animated, vivacious, vibrant, dynamic, full of zest.ANT.: 1. dead, lifeless, inanimate. 2. inessential, unnecessary, dispensable. 3. lifeless, sluggish, sickly, tiredIV(Roget's Thesaurus II) adjective 1. Marked by or exhibiting life: alive, animate, animated, live2, living. See LIVE. 2. Full of vigor: able-bodied, iron, lusty, red-blooded, robust, strapping, sturdy, vigorous. See STRONG. 3. Constituting or forming part of the essence of something: basic, constitutional, constitutive, essential, fundamental, integral. See BE, SURFACE. 4. Causing or tending to cause death: deadly, deathly, fatal, lethal, mortal. See LIVE.
English dictionary for students. 2013.