an attitude of doubting that claims or statements are true or that something will happen Such claims should be regarded with a certain amount of scepticism. Other scientists have expressed scepticism about these results.Extra examples I regard their press releases with a degree of scepticism. My initial scepticism was replaced with respectful admiration. She has a healthy scepticism towards the claims in the company’s report. Some attorneys share her scepticism about the new plan. The President’s claim must be regarded with a healthy dose of scepticism. This claim has often been met with scepticism. This theory was initially received with great scepticism by her fellow scientists.