Source : WordNet®

burst forth
     v 1: jump out from a hiding place and surprise (someone); "The
          attackers leapt out from the bushes" [syn: {leap out}, {rush
          out}, {sally out}]
     2: be unleashed; burst forth with violence or noise; "His anger
        exploded" [syn: {explode}, {break loose}]
     3: burst forth into or as if into flower; "These manifestations
        effloresced in the past" [syn: {effloresce}]