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verb [transitive] unblock pronunciation in British English /ʌnˈblɒk/ 
Word Forms
present tense
present participleunblocking
past tenseunblocked
past participleunblocked
  1. 1
    to remove something that is blocking a pipe, tube etc

    Can you unblock the sink?

    Synonyms and related words for this sense of unblock
  2. 2
    mainly journalism to make it possible for a process to start again after it has stopped

    This new concession could unblock talks aimed at ending the strike.

Open Dictionary

selfie stick

an expandable stick which you attach to a mobile phone or camera to help you take a selfie …

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