Meretricious

Pervasive and pernicious deviations from both fact and logical validity lurked behind a meretricious plausibility.

Source: tatoeba (2119619)

I discovered even, by his conversation, when intoxicated that his favourites were wantons of the lowest class, who could by their vulgar, indecent mirth, which he called nature, rouse his sluggish spirits. Meretricious ornaments and manners were necessary to attract his attention.

Source: wiktionary

It might be reasonably objected elsewhere, that some of the tombs are meretricious and too fanciful; but the general brightness seems to justify it here; and Mount Vesuvius, separated from them by a lovely slope of ground, exalts and saddens the scene.

Source: wiktionary

Gloriani’s statues were florid and meretricious; they looked like magnified goldsmith’s work.

Source: wiktionary