guard - definition and synonyms

verb [transitive] 

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present tense
present participleguarding
past tenseguarded
past participleguarded
  1. 1
    to watch a place carefully to protect someone from attack, to prevent something from being stolen, or to prevent someone from escaping

    There were two soldiers guarding the main gate.

    The palace entrance is guarded round the clock.

    heavily guarded:

    the heavily guarded office of the Prime Minister

  2. 2
    to protect someone or something from something dangerous or unpleasant

    The male fish guards the eggs.

    guard something/someone from something:

    the trees that guarded the farm from the wind

  3. 3
    to try very hard to keep something that is important to you
  4. 4
    if you guard information, you do not tell it to anyone

    They have been guarding the details of their research.

    closely/jealously guard something:

    The recipe is a closely guarded secret.

phrasal verbs