vaguest
Most poorly outlined
Vaguest is the superlative form of vague—the most unclear, imprecise, or indefinite.
I don't have the vaguest idea what you're talking about means complete ignorance.
Even the vaguest outline would help suggests that minimal clarity is better than none.
Uncertain in meaning
- noncommittalNot expressing clear opinion
- indefiniteNot precisely determined
- unspecificLacking precise definition
- impreciseLacking exactness or accuracy
evasive · uncommitted · hedging · wishy-washy · ambivalent · inconclusive · uncertain · doubtful
Obscured by vapor
indistinct · bleary · soft-focus · unfocused · dreamlike · gauzy · filmy · diffuse
Unable to understand
- unclearNot easily understood
- incoherentLacking logical connection
- jumbledDisordered, lacking arrangement
- garbledConfused and unintelligible
disorganized · rambling · unfocused · scattered · disjointed · convoluted · tangled · messy
Obscure in meaning
- enigmaticPuzzling and obscure
- inscrutableImpossible to understand
- arcaneUnderstood by few
- esotericAccessible to few
abstruse · recondite · incomprehensible · unfathomable · impenetrable · opaque · Delphic · sibylline
equivocal
Uncertain in meaning
- noncommittalNot expressing clear opinion
- indefiniteNot precisely determined
- unspecificLacking precise definition
imprecise · evasive · uncommitted · hedging · wishy-washy · ambivalent · inconclusive · uncertain · doubtful · tentative
misty
Obscured by vapor
fuzzy · indistinct · bleary · soft-focus · unfocused · dreamlike · gauzy · filmy · diffuse · smudged
confused
Unable to understand
- unclearNot easily understood
- incoherentLacking logical connection
- jumbledDisordered, lacking arrangement
garbled · disorganized · rambling · unfocused · scattered · disjointed · convoluted · tangled · messy · chaotic
cryptic
Obscure in meaning
- enigmaticPuzzling and obscure
- inscrutableImpossible to understand
- arcaneUnderstood by few
esoteric · abstruse · recondite · incomprehensible · unfathomable · impenetrable · opaque · Delphic · sibylline · oracular