Synonyms of 'hard-hitting'
uncompromisingDictionary, tough, critical
a hard-hitting account of violence in the home
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He's small, but he's tough, and I expect him to do well in the match.
If you describe something as uncompromising, you mean that it does not attempt to make something that is shocking or unpleasant any more acceptable to people.
a film of uncompromising brutality
Thesaurus for hard-hitting from the Collins English Thesaurus
If you describe a report or speech as hard-hitting , you like the way it talks about difficult or serious matters in a bold and direct way.