high-sounding (adjective)

1. The author's high-sounding rhetoric served to impress the readers, but it lacked substance.

2. The high-sounding chants of the cultists sent a chilling fear down my spine.

3. The artist's high-sounding artist statement attempted to convey deep meaning, but it felt hollow.

4. The queen's high-sounding decree promised grand rewards to all who served her faithfully.