Antonyms of adj pompous

1 of 2 senses of pompous

Sense 1
grandiloquent, overblown, pompous, pontifical, portentous -- (puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek)

INDIRECT (VIA pretentious) -> unpretentious -- (lacking pretension or affectation; "an unpretentious country church"; "her quiet unpretentious demeanor")

Similarity of adj pompous

2 senses of pompous

Sense 1
grandiloquent, overblown, pompous, pontifical, portentous -- (puffed up with vanity; "a grandiloquent and boastful manner"; "overblown oratory"; "a pompous speech"; "pseudo-scientific gobbledygook and pontifical hooey"- Newsweek)
       => pretentious (vs. unpretentious) -- (making claim to or creating an appearance of (often undeserved) importance or distinction; "a pretentious country house"; "a pretentious fraud"; "a pretentious scholarly edition")

Sense 2
pompous, ceremonious -- (characterized by pomp and ceremony and stately display)