Antonyms for ostentatious

Antonyms of adj ostentatious

2 senses of ostentatious

Sense 1:

ostentatious (vs. unostentatious), pretentious

unostentatious (vs. ostentatious), unpretentious, unpretending
quiet, restrained

Sense 2:

ostentatious, pretentious

INDIRECT (VIA tasteless) -> tasteful