THUNDERLESS
Thun"der*less, a.

Defn: Without thunder or noise.

THUNDEROUS
Thun"der*ous, a. Etym: [Written also thundrous.]

1. Producing thunder. [R.] How he before the thunderous throne doth lie. Milton.

2. Making a noise like thunder; sounding loud and deep; sonorous.
— Thun"der*ous*ly, adv.

THUNDERPROOF
Thun"der*proof`, a.

Defn: Secure against the effects of thunder or lightning.

THUNDERSHOWER
Thun"der*show`er, n.

Defn: A shower accompanied with lightning and thunder.

THUNDERSTONE
Thun"der*stone`, n.