unclear
1. [ adjective ] poorly stated or described
Synonyms: ill-defined
Examples:

"he confuses the reader with ill-defined terms and concepts"

Related terms: well-defined
2. [ adjective ] (writing) not easily deciphered
Synonyms: undecipherable unreadable indecipherable
Examples:

"indecipherable handwriting"

Related terms: illegible
3. [ adjective ] not clear to the mind
Examples:

"the law itself was unclear on that point" "the reason for their actions is unclear to this day"

Related terms: clear indeterminate confusing bewildering blurred indefinite ambiguous opaque indistinct incomprehensible clarity
Similar spelling:   uncleared
  uncle
  unclean
  Uncle_Sam
  uncle_joe
  unseal
  unclad
  unscalable
  uncloak
  unclasp
  unsealed
  unglazed
  uneasily
  unclothe
  Uncle_Tom
  unclaimed