Antonyms of adj baronial

1 sense of baronial

Sense 1
baronial, imposing, noble, stately -- (impressive in appearance; "a baronial mansion"; "an imposing residence"; "a noble tree"; "severe-looking policemen sat astride noble horses"; "stately columns")

INDIRECT (VIA impressive) -> unimpressive -- (not capable of impressing)

Similarity of adj baronial

1 sense of baronial

Sense 1
baronial, imposing, noble, stately -- (impressive in appearance; "a baronial mansion"; "an imposing residence"; "a noble tree"; "severe-looking policemen sat astride noble horses"; "stately columns")
       => impressive (vs. unimpressive) -- (making a strong or vivid impression; "an impressive ceremony")