“In like manner also, that women adorn themselves in modest apparel, with shamefacedness and sobriety; not with broided hair, or gold, or pearls, or costly array.” (I Timothy 2:9)

modest [adjective]
1. having or showing a moderate or humble estimate of one’s merits, importance, etc.; free from vanity, egotism, boastfulness, or great pretensions.
2. free from ostentation or showy extravagance: a modest house.
3. having or showing regard for the decencies of behavior, speech,
    dress, etc.; decent: a modest neckline on a dress.
4. limited or moderate in amount, extent, etc.: a modest increase in salary. (dictionary.com)