adverb
In a way that causes extreme fear.
‘the boat lurched terrifyingly’
- ‘viewers get terrifyingly close to the action’
- ‘The only sound was our harsh breathing as we stared at Steve, who lay terrifyingly still.’
- ‘The strategy the High Command had adopted for fighting a probable two-front war was terrifyingly reckless.’
- ‘The most important lesson is that fire spreads terrifyingly quickly.’
- ‘The plane staggered and started to climb, slowly, sluggishly, wobbling terrifyingly.’
- ‘Terrifyingly, some politicians describe these as "humanitarian weapons".’