Beginning and ending in a day; existing only, or no longer than, a day; diurnal; as, an ephemeral flower.
Short-lived; existing or continuing for a short time only.
Anything lasting but a day, or a brief time; an ephemeral plant, insect, etc.
Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions.
Consisting of ether; hence, exceedingly light or airy; tenuous; spiritlike; characterized by extreme delicacy, as form, manner, thought, etc.
Pertaining to, derived from, or resembling, ether; as, ethereal salts.