Synonyms of 'hammer away at something'
▷ See hammer
1 workDictionary, keep on, persevere
Palmer kept hammering away at his report.
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If you persevere with something, you keep trying to do it and do not give up, even though it is difficult.
the ability to persevere despite obstacles and setbacks
If you persist in doing something, you continue to do it, even though it is difficult or other people are against it.
He urged them to persist with their efforts to bring about peace.
Thesaurus for hammer away at something from the Collins English Thesaurus