English Reference
adjective

unclear

adj.
US /ənˈkɫɪɹ/ UK /ʌnklˈiə/ un·clear UK spelling unclearing

  1. 01 B1 Intermediate

    not easy to understand because the meaning is not definite or has several possible meanings.

    ambiguous or poorly defined; liable to multiple interpretations due to a lack of explicit detail.

    Simple

    The instructions were unclear, so I didn't know which button to press first.

    In context

    The legal implications of the new policy remain unclear, prompting several departments to request a formal briefing from the compliance team.

  2. 02 B1 Intermediate

    not easy to see, read, or hear clearly.

    lacking visual or auditory definition; blurred, faint, or otherwise difficult to perceive accurately.

    Simple

    The photo was a bit unclear because the camera moved when I took it.

    In context

    The handwriting on the original manuscript was so unclear that the historians had to use infrared imaging to decipher the text.

  3. 03 B2 Upper Intermediate

    not sure about something or not having a certain plan.

    characterised by a lack of certainty or a definite plan; often used when a person is undecided.

    Simple

    I am still unclear about whether I should accept the job offer or stay here.

    In context

    The board members were unclear on how to proceed, leading to a lengthy debate that lasted well into the evening.


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”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Middle English unclere
Level B1 · Intermediate
Frequency Frequent
Updated