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"unclear" is also used as a crossword clue. If that's what you saw, the answer is often undefined (9 letters).
Definitions
not clear to the mind
Word origin
From Middle English unclere, equivalent to un- + clear. Compare Saterland Frisian uunkloor (“unclear”), West Frisian ûnklear (“inoperative, broken”), Dutch onklaar (“out of order, defective, broken”), German unklar (“unclear”), Danish uklar (“unclear”), Swedish oklar (“unclear”).
Used in a sentence
“The remark she made comparing her life with that of a fish was unclear.”
“From such a long distance away, the name on the signpost was unclear.”
“I'm still unclear about what she meant by that remark.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Hard to understand”7 letters
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