What is the meaning of vague?

adjective

• 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: obscure
• Not precisely limited, determined, or distinguished.
  • usage: "an undefined term"; "undefined authority"; "some undefined sense of excitement"; "vague feelings of sadness"; "a vague uneasiness"
  • synonyms: undefined
• Lacking clarity or distinctness.
  • usage: "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"
  • synonyms: dim, faint, shadowy, wispy