Etymology
Advertisement

nebulous (adj.)

late 14c., "cloudy, misty, hazy" (of the eye, fire-smoke, etc.), from Latin nebulosus "cloudy, misty, foggy, full of vapor," from nebula "mist, vapor" (from PIE root *nebh- "cloud"). The figurative sense of "hazy, vague, formless" is attested by 1831. Astronomical sense, in reference to stars or star clusters surrounded by luminous haze, is from 1670s. Related: Nebulously; nebulousness.

Others are reading

Advertisement
Advertisement
Definitions of nebulous

nebulous (adj.)
lacking definite form or limits; "gropes among cloudy issues toward a feeble conclusion"- H.T.Moore;
nebulous distinction between pride and conceit
Synonyms: cloudy / nebulose
nebulous (adj.)
of or relating to or resembling a nebula;
Synonyms: nebular
nebulous (adj.)
lacking definition or definite content; "unfixed as were her general notions of what men ought to be"- Jane Austen;
nebulous reasons
Synonyms: unfixed
From wordnet.princeton.edu