Verb burst out has 3 senses
  1. burst out - give sudden release to an expression; "We burst out laughing"; "'I hate you,' she burst out"
    --1 is one way to
    express, show, evince
    Sample sentences:
    Somebody ----s
    Somebody ----s VERB-ing
  2. pop out, burst out - appear suddenly; "Spring popped up everywhere in the valley"
    --2 is one way to appear
    Sample sentences:
    Something ----s
    Something is ----ing PP
  3. erupt, irrupt, flare up, flare, break open, burst out - erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"
    --3 is one way to intensify, deepen
    Sample sentences:
    Something ----s
    Somebody ----s
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