thundering
thun·de·ring
adjective
2.
extraordinarily big or impressive
- “a thundering success”
- “the thundering silence of what was left unsaid”
Origin
From Middle English thundryng, þondring, from Old English þunring (“thundering; thunder”), equivalent to thunder + -ing.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.