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unrelated

adj.
US //ˌənɹiˈɫeɪtɪd// UK //ˌʌnɹɪlˈeɪtɪd// un·re·lat·ed
  1. 1 not connected (adj.)
    B2 Upper Intermediate

    not connected or associated with something else.

    lacking a logical, causal, or thematic connection to a specific subject or event.

    Example

    The police believe the two crimes are completely unrelated to each other.

    Example

    The witness provided several details that were entirely unrelated to the primary investigation, causing significant delays in the courtroom proceedings.

    Usage

    often followed by the preposition 'to'
  2. 2 not family (adj.)
    B2 Upper Intermediate

    not belonging to the same family.

    lacking a biological or legal kinship; not members of the same family unit.

    Example

    Although they have the same last name, the two students are unrelated.

    Example

    The study compared the genetic markers of siblings against those of unrelated individuals from the same geographic region.
    • non relative
Origin

From un- + related.

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