Antonyms of adj illustrious
2 senses of illustrious
Sense 1
celebrated, famed, far-famed, famous, illustrious, notable, noted, renowned -- (widely known and esteemed; "a famous actor"; "a celebrated musician"; "a famed scientist"; "an illustrious judge"; "a notable historian"; "a renowned painter")
INDIRECT (VIA known) -> unknown -- (not known; "an unknown amount"; "an unknown island"; "an unknown writer"; "an unknown source")
Sense 2
illustrious -- (having or conferring glory; "an illustrious achievement")
INDIRECT (VIA glorious) -> inglorious -- (not bringing honor and glory; "some mute inglorious Milton here may rest")
Similarity of adj illustrious
2 senses of illustrious
Sense 1
celebrated, famed, far-famed, famous, illustrious, notable, noted, renowned -- (widely known and esteemed; "a famous actor"; "a celebrated musician"; "a famed scientist"; "an illustrious judge"; "a notable historian"; "a renowned painter")
=> known (vs. unknown) -- (apprehended with certainty; "a known quantity"; "the limits of the known world"; "a musician known throughout the world"; "a known criminal")
Sense 2
illustrious -- (having or conferring glory; "an illustrious achievement")
=> glorious (vs. inglorious) -- (having or deserving or conferring glory; "a long and glorious career"; "our glorious literature")