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burst in on - definition and synonyms

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phrasal verb [transitive]
Word Forms
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present tense
I/you/we/theyburst in on
he/she/itbursts in on
present participlebursting in on
past tenseburst in on
past participleburst in on
  1. burst in on someone/something to suddenly enter a room where someone is doing something

    The headmaster could have burst in on them at any moment.

See also main entry: burst
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