Definitions
1.Verbpresent participle and gerund of thunder
2.AdjectiveOf, pertaining to, or accompanied by thunder.
3.AdjectiveProducing a noise or effect like thunder; thunderous.
4.AdjectiveVery great; extraordinary.
5.AdverbVery great; extraordinarily.
6.NounA loud percussive sound, like thunder.
7.NounA thunderstorm.