Not thinking or expressing oneself clearly. (adjective)
Lacking definite shape, form, or character; indistinct: saw a vague outline of a building through the fog. (adjective)
Not clear in meaning or application. See Synonyms at ambiguous. (adjective)
Indistinctly felt, perceived, understood, or recalled; hazy: a vague uneasiness. (adjective)
Examples of word vague
These _vague_ articles, intended for a more vague performance, are the things which have damned our reputation in India.
"Curious!" echoed Rebecca, finding the term vague even while suggestive.
Weber himself is at least partly to blame for this problem, for he frequently left the term vague, in spite of many attempts to clarify himself.
An initial draft of the resolution, prepared by France and Britain, had language, I was told, that called for the exercise of "vigilance" involving arms transfers to Syria - a word vague enough for the Russians to have agreed to it last year in the latest round of U.N. sanctions against Iran.
I have used the English word vague as an equivalent of that word in Japanese aimaina.