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Synonyms for Barrage (same or very similar meaning)

WordNet sense 1 (the rapid and continuous delivery of linguistic communication (spoken or written)):
bombardment, onslaught, outpouring

WordNet sense 2 (the heavy fire of artillery to saturate an area rather than hit a specific target):
battery, shelling, barrage fire

WordNet sense 3 (address with continuously or persistently, as if with a barrage):

From the ODE community, based on WordNetadd/edit