Synonyms:
obscure, vague
Meaning: not clearly understood or expressed; "an obscure turn of phrase"; "an impulse to go off and fight certain obscure battles of his own spirit"-Anatole Broyard; "their descriptions of human behavior become vague, dull, and unclear"- P.A.Sorokin; "vague...forms of speech...have so long passed for mysteries of science"- John Locke
Synonyms:
undefined, vague
Meaning: not precisely limited, determined, or distinguished; "an undefined term"; "undefined authority"; "some undefined sense of excitement"; "vague feelings of sadness"; "a vague uneasiness"
Synonyms:
dim, faint, shadowy, vague, wispy
Meaning: lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood"
Usage examples
As we scan the vague unknown
Her heart fluttered with a vague terror
A vague rustling sound came into existence.
Vague fears began to take possession of her.
There are many motives, but they are all vague.
The servant looked at her with vague misgivings.
Bertram, looking at her, was conscious of a vague irritation.
She wondered with a vague curiosity what induced him to come to the races.
I could only form vague, and almost imaginary, conjectures on this subject.
I would have swum out to it, but something--a cold, vague fear--kept me back.