absolutely required and not to be used up or sacrificed
absolutely necessary; vitally necessary; "essential tools and materials"; "funds essential to the completion of the project"; "an indispensable worker"
being or relating to or containing the essence of a plant etc; "essential oil"
the work of making something smooth and shiny by rubbing or waxing it; "the shining of shoes provided a meager living"; "rbry Dunday he gave his car a good polishing"
marked by exceptional merit; "had shining virtues and few faults"; "a shining example"
carefree and happy and lighthearted; "was loved for her blithe spirit"; "a merry blithesome nature"; "her lighthearted nature"; "trilling songs with a lightsome heart"
lacking or showing a lack of due concern; "spoke with blithe ignorance of the true situation"