absolutely necessary; essential 必不可少的;必要的 secrecy is of vital importance. 保密极其重要。 it is vital that the system is regularly maintained. 这个系统有必要经常维修。 ■indispensable to the continuance of life 维持生命所必需的 the vital organs. 维持生命的器官。
full of energy; lively 充满活力的;活泼的 a beautiful, vital girl. 既美丽又活泼的姑娘。
(archaic)fatal (古)致命的 the wound is vital. 这个伤口是致命伤。
noun
(vitals)the body's important internal organs 身体的重要内脏,维持生命的重要器官
派生 vitally adverb
合理进食对健康极为重要 [as submodifier]eating sensibly is vitally important for health.
语源
late Middle English (describing the animating principle of living beings, also in sense 2): via Old French from Latin vitalis, from vita 'life'. The sense 'essential' dates from the early 17th cent