Synonyms of 'blast away'
▷ See blast
1 open fire
The men pulled out pistols and began blasting away.
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When something such as someone's voice, a cannon, or a big drum booms, it makes a loud, deep sound that lasts for several seconds.
Thunder boomed like battlefield cannons over Crooked Mountain.
If people are clamouring for something, they are demanding it in a noisy or angry way.
My two grandsons were clamouring to go swimming.
Thesaurus for blast away from the Collins English Thesaurus
If a gun , or a person firing a gun, blasts away , the gun is fired continuously for a period of time.