óptico, -a optical; —— vidrio telescope.
opulento, -a rich, wealthy.
ora conj. now; —— ... —— now ... again, at one time ... at another.
orador m. orator.
orgía f. orgy.
orgulloso, -a proud, haughty.
original adj. original, curious.
oro m. gold, gold coin, wealth, riches; ——s diamonds (as a suit of playing-cards).
os pron. pers. dat. acc. you, yourself.
osadía f. boldness, audacity, effrontery.