Antonyms of adj bombastic

1 sense of bombastic

Sense 1
bombastic, declamatory, large, orotund, tumid, turgid -- (ostentatiously lofty in style; "a man given to large talk"; "tumid political prose")

INDIRECT (VIA rhetorical) -> unrhetorical -- (not rhetorical)

Similarity of adj bombastic

1 sense of bombastic

Sense 1
bombastic, declamatory, large, orotund, tumid, turgid -- (ostentatiously lofty in style; "a man given to large talk"; "tumid political prose")
       => rhetorical (vs. unrhetorical) -- (given to rhetoric, emphasizing style at the expense of thought; "mere rhetorical frippery")