imponderable
adj. 1 not able to be estimated. 2 very light; weightless. n. (usu. In pl.) Imponderable thing. imponderability n. Imponderably adv.
a. Not ponderable; without sensible or appreciable weight; incapable of being weighed.
adj. 1 not able to be estimated. 2 very light; weightless. n. (usu. In pl.) Imponderable thing. imponderability n. Imponderably adv.
a. Not ponderable; without sensible or appreciable weight; incapable of being weighed.