Antonyms of adj palatial

1 of 2 senses of palatial

Sense 2
palatial -- (suitable for or like a palace; "palatial furnishings"; "a palatial yacht")

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

Similarity of adj palatial

2 senses of palatial

Sense 1
palatial -- (relating to or being a palace; "the palatial residence")

Sense 2
palatial -- (suitable for or like a palace; "palatial furnishings"; "a palatial yacht")
       => impressive (vs. unimpressive) -- (making a strong or vivid impression; "an impressive ceremony")