Definition of thunderingly in US English:

thunderingly

adverb

  • See thundering

    as submodifier ‘it was so thunderingly dull’
    • ‘Yet in the Bush era, where religion enters politics it is usually, thunderingly, from the right.’
    • ‘Yes, some of them are handsome, yes they're all clever fellows, but they are also thunderingly self-satisfied.’
    • ‘This probably offended the odd sensitive viewer, although Brown is so thunderingly wholesome that it seems unlikely.’
    • ‘Either way, the new 807 is thunderingly unfussy in appearance, quite blank-faced and dutiful - and welcome enough for that.’
    • ‘And it doesn't hurt that this production features a trio of thunderingly good performances from its cast.’

Pronunciation

thunderingly

/ˈTHənd(ə)riNGlē//ˈθənd(ə)rɪŋli/