heart-stopping 
adjective
Full of suspense or excitement; thrilling: a five-minute burst of heart-stopping action...
- For those who have not yet felt that heart-stopping thrill of the first sustained pull of a strong wild salmon - believe me it is simply superb.
- A couple of days ago, I experienced a real heart-stopping moment.
- There are many moments of heart-stopping beauty in this staged narrative of an Iraqi family the Australian government almost destroyed.
Derivatives
heart-stopper
- Tale is ingenuously layered, infused with creepiness and spiked with a couple of real heart-stoppers.
- The gold may steal brochure headlines, but the kitchen is the real heart - and heart-stopper - of the Golden Temple.
- The Adriatic coast is hipper than ever, but still, the £4m price tag is a heart-stopper.
heart-stoppingly
- This unhappy situation unfolds in parallel to West Germany doing heart-stoppingly badly in the competition's early stages; then Matthias's dad softens and even takes his boy on a road trip to Switzerland.
- English cities and towns can be heart-stoppingly beautiful, when viewed from a favourable angle - Cambridge springs to mind - but there are very few of them that can rival the splendour of Edinburgh.
- Five hours is a long drive no matter how heart-stoppingly beautiful the scenery and we are pathetically grateful when the wind blows us into the womb-like warmth of the restaurant vestibule.
- participial adjective
- participialize
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- participially
- participle
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- particled
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- particularise