unclear

adjective

un·​clear ˌən-ˈklir 

: not clear: such as

a

: difficult to understand

an unclear explanation

unclear instructions

an unclear reference

b

: confused or uncertain about something

—often used with about

was a little unclear about how to proceed

unclearly adverb

speaking unclearly

an unclearly remembered incident

Synonyms of unclear

• vague
• ambiguous

Examples of unclear in a Sentence

their suggestion for correcting the problem is a bit unclear

obtained at best an unclear glimpse of the rarely seen bird from across the road

Recent Examples on the Web

The cause and nature of the man's death remain unclear as the investigation began on Sunday. —Dean Fioresi, CBS News, 13 Apr. 2026

While the character details of many of the new cast members are unclear, Oscar nominee Sharon Stone is playing a showrunner whom Lexi (Maude Apatow) works for, according to creator Sam Levinson. —Alyssa Davis, PEOPLE, 13 Apr. 2026

The release timeline for the Apple smart glasses is unclear. —Jibin Joseph, PC Magazine, 13 Apr. 2026

Also unclear is how to calculate the true economic impact — and consequences — of such a prolific investment. —Kansas City Star, 12 Apr. 2026

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing unclear

• unclear on the concept of

Rhymes for unclear

• adhere
• ameer
• amir
• appear
• arrear
• astir
• austere
• career
• cashier
• cohere
• compere
• emir