Synonyma ke slovu ztupit: otupit (ostří), nabrousit, zmírnit (tlak), potupit <koho>, zostudit, zhanobit, pochválit
Další podobná slova k ztupit jsou například následující: to be blunt, to dull, to lose its edge, to become dull, to become blunt, to lose sharpness, to become blunt-edged, to become blunted, to become less sharp, to become duller, to become less keen, to become less keen-edged, to lose its sharpness